是不是少打一个词...but he may not be..able 这样比较常用
不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不知知知知知知知知知知知知知知知知知知知知知知知知知知知知知知知知知知道道道道道道道道道道道道道道道道道道道道道道道道道道道道道道道道道道
but he may not be a expert to......
accede?
aloud?
afraied??