vacillation
UKˌvæsɪˈleɪʃnUSˌvæsəˈleɪʃn
Meaning
1n.
犹豫不决，摇摆不定
Usage
His constant vacillation between two choices frustrated the entire team.
他在两个选择间持续犹豫不决，令整个团队感到沮丧。
The government's vacillation on the policy led to widespread confusion.
政府在该政策上的摇摆不定导致了普遍的困惑。
After days of vacillation, she finally committed to a decision.
经过数日的犹豫，她最终作出了决定。
Etymology
vacillation 的词根结构直接源于拉丁语 vacillare（摇摆），生动描绘了物理或心理上的摇摆动作。后缀 -ion 将这一动作转化为名词状态，完美捕捉了现代含义中“在选项间摇摆不定”的心理迟疑过程，从具体动作自然演化为抽象决策困境。