vain

/veɪn/ adjective
标准词条 CET-4
一句话记住

自负的；徒劳的；无效的

释义与例句

adjective 自负的；徒劳的；无效的
having too much pride in one's appearance; producing no result; useless
  1. She is vain about her looks and stares in mirrors all day.
    她对自己的外貌很自负，整天对着镜子看。
  2. His vain attempts to fix the car failed.
    他徒劳的修车尝试失败了。
展开其余 1 条例句
  1. The search for the missing child was in vain.
    寻找失踪孩子的努力是徒劳的。

词源与构词

记忆钩子 vain 与 vein（静脉）同音 → 自负的人像血管一样只在表面

词族与关联词

词族（同一词根派生出的不同词性或形式）
  • vanity 虚荣；自负
    noun form; the quality of being vain
同义词
  • conceited 自负的
    conceited specifically means overly proud of oneself
    He is too conceited to listen to advice. 他太自负了，不听劝告。
反义词
  • humble 谦逊的
    humble means not thinking of oneself as better than others
    Despite his fame, he remained humble. 尽管出名，他仍然谦逊。
常见搭配
  • in vain 徒劳地
    He tried in vain to reach the summit. 他试图登顶但徒劳无功。
  • vain attempt 徒劳的尝试
    Her vain attempt to change his mind failed. 她想改变他主意的徒劳尝试失败了。
  • vain person 自负的人
    No one likes a vain person who only talks about themselves. 没人喜欢只谈论自己的自负之人。