1 to become weak or uncertain, especially when making a decision or choice 变弱，踌躇，犹豫（尤指在作出决定或选择时）: He never wavered in his support for her. 他从未动摇对她的支持。

2 to move in a way that is not firm or steady 摇摆；不稳: His hand wavered as he reached for the gun. 他伸手拿枪的时候，手一直在颤抖。