音标:[.ʌn'nesәsәri] ; 柯林斯词典等级:2 级; 牛津三千核心词汇;
a. 不必要的
a. not necessary

考试类型:[四级/六级]
词性分布:
形容词100%

unnecessary的用法和样例:

例句

用作形容词(adj.)
  1. Don't involve yourself in unnecessary expense.勿做不必要的花费。
  2. She often pothers herself over unnecessary details.她常在不必要的琐事上自扰。
  3. All this is totally unnecessary.所有这些完全都是多余的。
  4. Cut off the unnecessary twigs and branches.把多余的枝叶剪去。

词汇搭配

  • unnecessary roughness多余的粗野动作...

经典引文

  • Ringing the dinner-bellsa most unnecessary ceremony for assembling three persons.

    出自:Sir W. Scott
  • This aerodynamic..2-seater will eschew all unnecessary frills.

    出自:Motor Trend
  • New navigational aids made it unnecessary for many ships..to use pilots.

    出自:Guardian
  • Mother Superior..believed dusty papers were an unnecessary waste of space.

    出自:A. S. Byatt
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