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,完全不胜任的助理。 ■(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。 ■(Medicine)(especially of a valve or sphincter) not able to perform its function (医)(尤指瓣、括约肌)无机能的
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)