Now, this guile of his, because that's what it entails, this guile is something temperamental, I think. It came naturally to him.

现在，它展现出来的他的狡猾，是捉摸不定的，我觉得，对他来说很自然。

耶鲁公开课 - 现代诗歌课程节选

Let's say, the lottery is happening and you want to buy a ticket, and you're not sure.

假设你看到有彩票，你也想去买一张。但是你有点拿不定主意。

The thing is 课堂 - SpeakingMax英语口语达人

But it's also a time that I have an academic and intellectual interest diddling.

我也曾有段时间,在学术和思想研究方向上摇摆不定。

普林斯顿公开课 - 人性课程节选

Most of those who attempt to sell too late and buy too late and do both too often, incurring heavy expenses and developing too unsettled and speculative state of mind."

大多数试图晚卖或晚买的人,或者经常既晚卖又晚买的人会损失惨重,而且变得心神不定还特别喜欢投机

耶鲁公开课 - 金融市场课程节选

It is just that their relations are unregulated.

这正说明了他们的关系是不定的。

耶鲁公开课 - 政治哲学导论课程节选

And I think sometimes on the teeter-totter of each of those three dimensions were teetering where I wish we were tottering a little more as our products are more complicated.

我想有时这就像坐跷跷板,三个维度都在摇晃不定，无法抉择,比我们的产品生产还复杂一些。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Yeats's late poems speak from the point of view of Jane, more often than not, and yet powerfully, - we do see him vacillating from different-- between different points of view.

叶芝的晚期诗歌从珍妮的角度讲话，经常是这样，但很有力，我们也确实发现他-,在不同的观点间举棋不定。

耶鲁公开课 - 现代诗歌课程节选

But one argument that can be made is that things things were so terrible and so out of control in the earlier period that the strengthening of the state is something that people saw as beneficial.

然而有这样一个观点,在动荡不定的战争年代,一个极权国家是有利于国家的发展的

耶鲁公开课 - 欧洲文明课程节选

I go back and forth. Sometimes I agree with that.

我的看法摇摆不定。有时候我会同意这种看法。

介绍好朋友 - SpeakingMax英语口语达人

Chinese sounds good, but I don't know.

听起来不错，但是我也拿不定主意。

What do you 实战 - SpeakingMax英语口语达人