英语词汇“be on one's best behavior”的翻译、意思、用法、释义-英汉双解词典-修远网

单词	be on one's best behavior
释义	be on one's best behavior phr ① (非常)小心以表现良好的行为,行为检点,很守规矩 He was on his best behavior and set an example to others.他行为检点,为他人树立了榜样。
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