incapable(p)
adj. (followed by `of') lacking capacity or ability"incapable of carrying a tune"; " he is incapable of understanding the matter"; " incapable of doing the work"
not being susceptible to or admitting of something (usually followed by `of')"incapable of solution"
lacking the necessary skill or knowledge etc."an incapable helper"
同义词：unqualified
(followed by `of') not having the temperament or inclination for"simply incapable of lying"
not meeting requirements 同义词：incompetentunequal to(p)