incapable
adjective /ɪnˈkeɪpəbl/
  /ɪnˈkeɪpəbl/
- not able to do something没有能力(做某事) -  incapable of something incapable of speech不会说话 
-  incapable of doing something The children seem to be totally incapable of working by themselves.孩子们好像完全不能靠自己做功课。 
 - He was apparently physically incapable of lowering his voice.看来他就是天生大嗓门,根本低不下来。 
- She was constitutionally incapable of bad temper.她天生不会发脾气。 
- The wine had made him incapable of thinking clearly.葡萄酒下肚,他就无法清醒地思考了。 
 Collocations Dictionaryverbs- appear
- be
- feel
- …
 - absolutely
- completely
- quite
- …
 - of
 
-  incapable of something incapable of speech
- not able to control yourself or your affairs; not able to do anything well不能克制自己的;不能自理的;什么事也做不好的 - He was found lying in the road, drunk and incapable.他被发现躺在路上,烂醉如泥。 
- If people keep telling you you're incapable, you begin to lose confidence in yourself.如果人们不断地对你说你无能,你就开始失去自信心了。 
- This type of arrangement remains valid even if you become mentally incapable.哪怕你精神失常,这种协议也仍然有效。 
 Collocations Dictionaryverbs- appear
- be
- feel
- …
 - absolutely
- completely
- quite
- …
 - of
 opposite capable
- He was found lying in the road, drunk and incapable.
词源late 16th cent.: from French, or from late Latin incapabilis, from in- ‘not’ + capabilis (from Latin capere ‘take or hold’).