英语词汇labor in vain是什么意思，labor in vain的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	labor in vain
释义	DEFINITIVE EXAMPLES 权威例句〔labor〕She has labored in vain to convince them to accept her proposal.她努力说服他们接受她的提议，最终是白费力气。韦氏高阶
随便看	mass hysteria mass immigration mass indicator mass infection mass instruction mass line mass load mass loading mass loss mass man mass marker mass market mass market mass market mass marketer mass marketing mass marketing mass marketing mass matrix mass measurement mass media mass media mass media mass media file mass median size

觉斋网英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。