unfit /ʌnˈfɪt/ star1

• 1.  

  ADJ（形容词） If you are unfit, your body is not in good condition because you have not been getting regular exercise. (缺乏常规锻炼而) 不健康的

  例：

  Many children are so unfit they are unable to do even basic exercises.

  许多孩子很不强健，他们甚至不能做基本的运动。

• 2.  

  ADJ（形容词） If someone is unfit for something, he or she is unable to do it because of injury or illness. (因受伤或生病) 不适合做…的

  例：

  He had a third examination and was declared unfit for duty.

  他做了第3次检查，被宣布不适合上班。

• 3.  

  ADJ（形容词） If you say that someone or something is unfit for a particular purpose or job, you are criticizing them because they are not good enough for that purpose or job. 不能胜任的[表不满]

  例：

  Existing houses are becoming totally unfit for human habitation.

  现存的房子正变得完全不适合人居住。