vain

音标发音

• 英式音标 [veɪn]
• 美式音标 [veɪn]
• 英式发音
• 美式发音

基本解释

• adj.自负的；徒劳的；无效的；虚荣的

词源解说

• 直接源自古法语的vain，意为没有价值的；最初源自拉丁语的vanus，意为空着的。

词根记忆

• 他很自负(vain)，到头来一无所获(gain)

同根派生

• adj性质的同根词

  vainglorious：虚荣心强的；非常自负的。

• adv性质的同根词

  vainly：徒劳地；无益地；枉然地。

• n性质的同根词

  vainglory：虚荣；自负。

• vain相关词

英汉例句

用作形容词 (adj.)

用作定语: ～+ n.

• She is one of those vain people who never take others' advice.
  她属于那种自负得从不听别人劝告的人。

用作表语: S+be+～

• All my efforts were vain.
  我的一切努力都白费了。

S+be+～+ prep .-phrase

• He's very vain of his abilities.
  他对于自己的能力很自负。

It is/was+～+to- v

• It is vain to resist.
  抵抗是没用的。

用作宾语补足语: S+V+O+～

• Too much praise can make a man vain.
  过度的赞扬会使人自负。

• vain更多例句

词组短语

用作形容词 (adj.)

～+介词

• be vain about 〔of〕 为…而自负

短语

• vain of 自夸的
• Miror Vain 吉他摇滚
• vain n 徒劳;白费;白搭
• n vain 徒劳
• Vain taivas 夜空填满了

• vain更多词组

英英字典

剑桥英英字典

• (NOT SUCCESSFUL) unsuccessful; of no value
• (SELFISH) too interested in your own appearance or achievements

柯林斯英英字典

• A vain attempt or action is one that fails to achieve what was intended.
• vainly
• If you describe a hope that something will happen as a vain hope, you mean that there is no chance of it happening.
• vainly
• If you describe someone as vain, you are critical of their extreme pride in their own beauty, intelligence, or other good qualities.
• If you do something in vain, you do not succeed in achieving what you intend.
• If you say that something such as someone's death, suffering, or effort was in vain, you mean that it was useless because it did not achieve anything.

• vain剑桥字典
• vain柯林斯字典

专业释义

医药科学

• 徒劳的；虚荣的；空虚的