incapacity
/ˌɪnkəˈpæsətɪ/noun
(pl. -ies)［mass noun］
1- physical or mental inability to do something or to manage one's affairs（生理, 心理）无能力, 无自理能力：
they can be sacked only for incapacity or misbehaviour.
他们可以仅因伤残或者行为不当而遭解雇。
1.1
- legal disqualification剥夺法定资格：
they are not subject to any legal incapacity.
他们没有遭到任何法定资格的剥夺。
词源
early 17th cent.: from French incapacité or late Latin incapacitas， from in- (expressing negation) + capacitas （see CAPACITY）.