英语词汇keep someone up to the mark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	keep someone up to the mark
释义	keep someone up to the mark 确保某人努力工作
随便看	unitary module unitary operator unitary space unitary spin unitary symmetry unitary taxation unitary transformation unitas unit car unit card unit cards unit cell unit cells unit character unit characters unit circle unit cost unit die unit dies unite uniteable united United Arab Emirates united arab emiratess United Arab Republic

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。