n.不充分；不足；不胜任；缺乏信心；缺陷
The failure is due to the inadequacy of preparations. 这次失败是由于准备不足造成的。
Dwelling on the impossible leads to a sense of inadequacy. 老是想着不可能的事会导致信心不足。
He had to face up to his own inadequacies as a father. 他不得不正视自身作为父亲的不足。
