| 词汇 | all-of-a-sudden |
| 释义 | all of a suddenidiom informal B2 very quickly: 飞快地，迅速地 It seemed to happen all of a sudden - I felt dizzy and I just collapsed.一切似乎都发生得很突然——我觉得头晕，然后就晕倒了。 Not expected or planned abrupt end abrupt halt abruptly abruptness ad hoc inadvertency inadvertent inadvertently inconceivable inconceivably sine die spirit spontaneity spontaneous spontaneously unsuspected untimely untoward unwilled unwitting all of a sudden | American Dictionaryall of a suddenidiom(alsoall at once) quickly and without warning: All of a sudden we heard a loud noise. |
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