Vacillation is the cause of his failure.

优柔寡断是他失败的原因。

《新英汉大辞典》

You are expected to answer the call with immediate actions and not with vacillation.

希望大家闻风而动，不要举棋不定。

《新英汉大辞典》

All this may sound like vacillation, but it provides an important lesson.

所有这些推理听起来人们就像是在犹豫不决，但它也给了我们一个重要的教训。

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The vacillation and debate become quickest here as one point of view gets one line and the other the rhyming next line.

踌躇和争论在这里吵得很激烈,一种观点占一行,另一观点在下一行。

耶鲁公开课 - 现代诗歌课程节选

Vacillation." The poem was written following a series of poems called the "Crazy Jane" poems, written as a kind of summary of them, a kind of resolution of the debates that go on in them.

踌躇一诗写于系列诗,疯狂的珍妮之后，作为对这一系列诗的总结，作为对其中的争论的解决方式。

耶鲁公开课 - 现代诗歌课程节选

Vajpayee's vacillation in taking on the RSS, particularly in promoting communal harmony and economic openness, cannot but worsen India's malaise.

CNN: OBSTACLES AHEAD

For all its vacillation between horrible and hilarious, there's something about "Pretty on the Inside" that rescues the song from throwaway silliness.

NPR: 'Pretty on the Inside' and the Ugly Truth

He may think that by staking out a clear position on the euro as early as possible he can avoid the appearance of weakness and vacillation that dogged Mr Major.

ECONOMIST: Roll up that map of Europe