英语词汇in vain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	in vain
释义	in vain in vain adv: (pointlessly, for nothing) SC 徒劳 tú láo SC 枉费 tú láo，wǎng fèi Polly tried in vain to open the locked door. 波莉试图打开那扇紧锁的门，是徒劳的。
随便看	morphologist morphology morphosyntactic morphosyntax morrow morse morse code morsel morselling mortadella mortal mortality mortally mortal remains mortal sin mortar mortarboard mortared mortgage mortgaged mortgagee mortgages mortgagor mortician mortiferous

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