falter [ˈfɔ:ltə(r)]

以下由轻松背单词网站提供

vi.(嗓音)颤抖，结巴地说；犹豫；蹒跚

to lose strength or purpose and stop , or almost stop

His voice began to falter. 他的声音开始发颤。
As he neared the house his steps faltered. 当他走近房子时，脚步迟疑了起来。