n.摇摆，振荡，波动，犹豫不决...

Vacillation is the cause of his failure.优柔寡断是他失败的原因.He accused President Carter of vacillation and retreat.他指责卡特总统的动摇和退缩。There must be no mistake, no vacillation or dallying because of her own smallness of mind.绝不能因为自己的见...

vacillation的音标：vacillation的英式发音音标为：[ˌvæsə'leɪʃn]vacillation的美式发音音标为：[ˌvæsɪ'leʃən]...

He accused President Carter of vacillation and retreat.他指责卡特总统的动摇和退缩。Vacillation is the cause of his failure.优柔寡断是他失败的原因.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....