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	nonexistent nonexplosive nonfat nonferrous non-fiction nonfiction nonfictional non-flammable nonflammable non-flowering non-flying nonfulfillment nonfunctional non-governmental nongovernmental non-hazardous nonhereditary non-human nonhuman noni noninclusive noninfectious noninflammatory noninterference non-intervention

英汉双解词典包含74752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。