"But how do you know?" I pretended to be at a loss.

“但是你是怎么知道的呀？”我一副困惑不解的模样。

youdao

We never seemed to be at a loss for things that we enjoyed doing together.

好像从来没有什么事我们不喜欢一起做的。

youdao

He seemed to be at a loss for the precise words to elaborate his opinion.

他似乎想不出恰当的字眼来阐明自己的观点。

youdao

And if you were suddenly stripped of your ability to make generalizations, you'd be at a loss.

如果你突然失去了,归纳的能力，你就会一头无绪。

耶鲁公开课 - 心理学导论课程节选

It was a ploy of theirs to pretend not to understand, to frown and simulate confusion because, in any conversation, it was convenient sometimes to appear to be at a loss.

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The French government has seemed at times to be at a loss over how to react to the violence, which is arguably the most serious challenge to its authority since the student riots that rocked Paris in 1968.

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Indeed, it may end up as a negative-margin business: If history is any guide, some companies will be willing to sell at a loss to gain market share, and there will be investors willing to finance them, at least for a while.

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