1
- not having or showing the necessary skills to do something successfully不胜任的：
a forgetful and utterly incompetent assistant.
一个健忘的、完全不称职的助理。
1.1
- Law not qualified to act in a particular capacity【律】无资格的：
the patient is deemed legally incompetent.
这位病人被认为法律上不具资格。
1.2
- Medicine (especially of a valve or sphincter) not able to perform its function【医】（尤指瓣膜或括约肌）无机能的。
- an incompetent person无能力者, 不胜任者。
派生词
incompetence
nounincompetency
nounincompetently
adverb词源
late 16th cent. （in the sense 'not legally competent'）： from French， or from late Latin incompetent-， from in- 'not' + Latin competent- 'being fit or proper' （see COMPETENT）.