英语词汇know one's book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	know one's book
释义	know one's book 1. 明白自己的利益所在，懂得利害关系 2. 打定主意
随便看	part and parcels partans part brass rags part brass rags part brass rags part company part company with part company (with) part company (with) parted partedness partedness partednesses partedness's parted with parted-with parter parter parterre parterre box parterred parterres partes partest part-exchange

英汉双解词典包含548777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。