英语词汇be upon one's best behaviour怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	be upon one's best behaviour
释义	be upon one's best behaviour (在接受考查或试用期间)行为检点，循规蹈矩，守规矩
随便看	runnel runner runner bean runner beans runner box runner boxing runnerless runners runners-up runner-up runner-ups runnier runniest runniness runninesses run nineteen to the dozen running running account running accounts running bale running battle running battles running belay running bird running block

英汉双解词典包含483723条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。