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	e.m.u. emu emu-bobber emu-bobbing emul emul. emulable emulant emulate emulated emulates emulating emulation emulation mode emulative emulatively emulative of emulator emulators emulatory emulgens emulgent emulgents emulous emulously

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。