falterern.falter的变形：falter['fɔ:ltə]vi.蹒跚，踉跄；摇晃，摇摆结巴地说话，支吾；(声音)颤抖：The boy faltered when the policeman demanded his name.在警察要求男孩说出他的姓名时，他支支吾吾。踌躇，犹豫，迟疑；退缩，畏缩：to falter under enemy fire在敌人炮火下畏缩(不前)变得软弱无力，变弱，变衰弱：The economy faltered.经济不景气。vt.结结巴巴(或支支吾吾)地说：结结巴巴