| 词汇 | be-on-best-behaviour |
| 释义 | be on your best behaviouridiom to behave extremely well and be very polite on a particular occasion: 举止得体;以最好的表现示人 I'd just met his parents for the first time so I was on my best behaviour.我刚刚第一次见了他的父母，做出了最好的表现。 Behaving well angelically be (as) good as goldidiom behave breeding child children should be seen and not heardidiom demurely demureness do a good deed example gracious keep your nose cleanidiom nose polite rail set an exampleidiom stay on the railsidiom super good well behaved well spoken |
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