incapable /ɪnˈkeɪpəbəl/ adjective Learner's definition of INCAPABLE
[more incapable; most incapable]
: not able to do something : not capable无能力的;不能胜任的;不会的 —
usually + of -
He seemed incapable of understanding the seriousness of the situation.他似乎不能理解局势的严重性。
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Some birds are physically incapable of flight.有些鸟本身不会飞。
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She's completely incapable of telling a lie.她一点也不会撒谎。
— incapability
/ɪnˌkeɪpəˈbɪləti/ noun [noncount]