| 词汇 | since |
| 释义 | since adverb uk /sɪns/ us /sɪns/ B2 from a particular time in the past until a later time, or until now: 自从…;从…以来 Emma went to work in New York a year ago, and we haven't seen her since.埃玛一年前去纽约工作了，自那时起我们就没有见过她。 He started working for the company in 1995, and has been there ever since (= and is still there).他1995年就开始为那家公司工作，在此之后就一直在那里。 I've long since (= long ago) forgotten any Latin I ever learned.我早就把我学过的那点拉丁语忘光了。 Hostilities between the two groups have been in abeyance since last June.自去年6月份以来，双方一直处于休战状态。 Roz has adopted one or two funny mannerisms since she's been away.罗兹自她离开后养成了一两种可笑的怪癖。 I've been chewing the problem over since last week.从上个星期我就一直在仔细考虑这个问题。 Their movements have been severely circumscribed since the laws came into effect.自从这些法律生效以来，他们的活动受到了严格约束。 Your piano playing has really come on since I last heard you play.你钢琴弹得比我上次听到的确实有了长进。 Starting from a particular time all along the lineidiom as of/fromidiom count cut date date back date back to something date from something ever forward from then onidiom henceforth hereafter hereinafter in futurephrase line live then thenceforth thereafter GrammarSince We use since as a preposition, a conjunction and an adverb to refer to a time, and as a conjunction to introduce a reason. … Since: time We use since to refer back to a previous point in time. We use since as a preposition with a date, a time or a noun phrase: … Since and tenses When since introduces an action or event at a point of time in the past, we can use the past simple or present perfect after since and the present perfect in the main clause: … Since + -ing We can use since + -ing form to refer to time when the subject of the verb is the same in the main clause and the subordinate clause: … Since, since then We can use since or since then as an adverb of time when the time reference is understood from the context: … Since: reason We use since as a subordinating conjunction to introduce a subordinate clause. We use it to give a reason for something: … Since: typical errors We don’t use since with extended periods of time. We use for: … For or since? We use for with a period of time in the past, present or future. … since preposition uk /sɪns/ us /sɪns/ A2 from a particular time in the past until a later time, or until now: 自从…;从…以来 He hasn't won a game since last year. 他自去年起就再没有赢过比赛。 It was the hottest October since records began.这是有史以来最热的十月。 Starting from a particular time all along the lineidiom as of/fromidiom count cut date date back date back to something date from something ever forward from then onidiom henceforth hereafter hereinafter in futurephrase line live then thenceforth thereafter GrammarSince We use since as a preposition, a conjunction and an adverb to refer to a time, and as a conjunction to introduce a reason. … Since: time We use since to refer back to a previous point in time. We use since as a preposition with a date, a time or a noun phrase: … Since and tenses When since introduces an action or event at a point of time in the past, we can use the past simple or present perfect after since and the present perfect in the main clause: … Since + -ing We can use since + -ing form to refer to time when the subject of the verb is the same in the main clause and the subordinate clause: … Since, since then We can use since or since then as an adverb of time when the time reference is understood from the context: … Since: reason We use since as a subordinating conjunction to introduce a subordinate clause. We use it to give a reason for something: … Since: typical errors We don’t use since with extended periods of time. We use for: … When or since? We use when to mean ‘(at) the time that’. We use since to refer to a particular time in the past until another time or until now: … since conjunction uk /sɪns/ us /sɪns/ sinceconjunction (BECAUSE)B1 because; as: 因为;既然 Since we've got a few minutes to wait for the train, let's have a cup of coffee.既然等火车还需要几分钟，我们去喝杯咖啡吧。 I'm afraid I'm not a very good advertisement for the diet since I've actually put on weight!恐怕我不是这套减肥饮食计划的活广告，因为我的体重实际上是增加了！ She stands a good chance, since only two people are contesting the seat and the other candidate is very unpopular. I can testify to the foregoing since I was actually present when it happened.我能证明以上所述事实，因为实际上事件发生时我就在现场。 There's no point hypothesizing about how the accident happened, since we'll never really know.假定事故是如何发生的没有任何意义，因为我们永远也不会知道真实情况是怎样的。 I presume that they're not coming, since they haven't replied to the invitation.鉴于他们没有回复邀请，我认为他们不会来了。 Linguistics: connecting words which introduce a cause or reason as at because case courtesy cuz dint due except except thatidiom herein inasmuch as insofar as light necessarily now that thing view with a view to doing somethingidiom sinceconjunction (TIME)B1 from a particular time in the past until a later time, or until now: 自从…;从…以来 I've been very busy since I came back from holiday.我度完假回来后就一直很忙。 Starting from a particular time all along the lineidiom as of/fromidiom count cut date date back date back to something date from something ever forward from then onidiom henceforth hereafter hereinafter in futurephrase line live then thenceforth thereafter GrammarAs, because or since? As, because and since are conjunctions. As, because and since all introduce subordinate clauses. They connect the result of something with its reason. … Because Because is more common than as and since, both in writing and speaking. When we use because, we are focusing on the reason: … As and since We often use as and since when we want to focus more on the result than the reason. As and since are more formal than because. We usually put a comma before since after the main clause: … Since We use since as a preposition, a conjunction and an adverb to refer to a time, and as a conjunction to introduce a reason. … Since: time We use since to refer back to a previous point in time. We use since as a preposition with a date, a time or a noun phrase: … Since and tenses When since introduces an action or event at a point of time in the past, we can use the past simple or present perfect after since and the present perfect in the main clause: … Since + -ing We can use since + -ing form to refer to time when the subject of the verb is the same in the main clause and the subordinate clause: … Since, since then We can use since or since then as an adverb of time when the time reference is understood from the context: … Since: reason We use since as a subordinating conjunction to introduce a subordinate clause. We use it to give a reason for something: … Since: typical errors We don’t use since with extended periods of time. We use for: … For or since? We use for with a period of time in the past, present or future. … since | American Dictionarysince adverb[ not gradable ] us/sɪns/ sinceadverb[not gradable] (TIME)from a particular time in the past until now: Alfredo left the house at six this morning, and we haven’t seen him since. I got my first job in 1973 and I’ve been working ever since (= from then until now). Idiomsince when since preposition us/sɪns/ sincepreposition (TIME)in the time after a particular time in the past: A lot has happened since 1980. since conjunction us/sɪns/ sinceconjunction (BECAUSE)because; as: Since you’ve asked, I’ll tell you what I really think. sinceconjunction (TIME)from the time in the past when: It’s been more than two years since we moved back to New York. Examples of sincesince However, it is wrong to assert that the informal sector has taken care of a large number of older people since early times. They do care about the methodology since it affects the efficiency of their software development process and their revenue. Either specification is defensible, since both use plausible measures of democracy and a plausible set of control variables. Since our language is typed, it is more convenient to define the equivalence in terms of type-indexed families of relations. Since w occurs in head position, m applications of assoclet followed by a single application of dereflet expose the -node. Since then, there has been a # proliferation of other rural associations. Special attention is given to vibratory projects which have been their main focus since 1993. Since each module is different and independent, the same parameter can have a different meaning for different modules. The timbre will also vary over time if the magnitude response is not flat, since the harmonics of the signal will attenuate at different rates. The strategy group has since split into three separate implementation groups, one for each local authority area. All branches of nursing have since evolved towards a more holistic approach to care. Here, we only consider a defined-benefit rule, since 90 % of occupational pension schemes were in such a scheme in 2000. Since its establishment 18 months previously, the group appeared to have followed a demanding learning curve. Since they are perverse, they even attach other appendages to it. Here a rational agent, since he cannot choose the best, will choose a good one. See all examples of since These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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