crutch /krʌtʃ/ CET6+ TEM4

• 1. 

  N-COUNT A crutch is a stick whose top fits around or under the user's arm, which someone with an injured foot or leg uses to support their weight when walking. 拐杖

  例：

  I can walk without the aid of crutches.

  我能够不借助拐杖走路。

• 2. 

  N-SING If you refer to someone or something as a crutch, you mean that they give you help or support. (提供帮助、支持的) 人或物

  例：

  He gave up the crutch of alcohol.

  他不再依赖酒精。