C2 noun /ˌvæs.ɪˈleɪ.ʃən/
Vacillation
摇摆不定
Meaning
the inability to decide between different opinions or actions; indecision
Example
His constant vacillation between career choices frustrated his parents.
他在职业选择之间的持续犹豫让他的父母感到沮丧。