/ʌnˈeɪbl ||; ʌnˈebḷ/adjunable to do sth not having the time, knowledge, skill, etc to do sth; not able to do sth 不能;不会;无能力:
She lay there, unable to move.她躺在那里不能行动。☞noun inability 名词为inability
unable/ʌnˋebḷ; ʌnˈeIb$l/adj be unable to do sth not to be able to do something [→ inability] 不能[不会]做某事: She was unable to sleep. 她无法入睡。I’m sorry; I’m unable to help you. 对不起﹐我帮不了你。