| 词汇 | be-on-best-behavior |
| 释义 | be on your best behavioridiom to behave extremely well and be very polite on a particular occasion: I'd just met his parents for the first time so I was on my best behavior. Behaving well angelically be (as) good as goldidiom be on your best behaviouridiom behave breeding child demure demurely demureness do a good deed example gracious non-disruptive polite rail set an exampleidiom stay on the railsidiom super good well mannered well spoken |
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