1. His constant vacillation made him an unfit administrator.
    他经常优柔寡断，这使他不适合当行政官员。

1. 摇摆：vacation 假期;腾出;休假;才能;职业 | vacillation 摇摆 | vacodur 铝铁磁合金

2. 踌躇：vacillatingly 犹豫地 | vacillation 踌躇 | vacua 空虚

3. 优柔寡断;动摇：twig#小枝 | vacillation#优柔寡断;动摇 | valor#勇气

4. 犹豫：pushover 易于征服或控制的人 | vacillation 犹豫 | impair 损害

1. changing location by moving back and forth

    Synonym: swingswinging

2. indecision in speech or action

    Synonym: hesitationwavering