"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

Otherwise, before the coming winter will be at a loss.

否则，在即将到来的严冬面前会不知所措。

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

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 comes from personal experience that raises a question at least about whether all values can be translated without loss into utilitarian terms.

是亲身见闻所引起的疑问,是否所有的价值都可以完好无损地,转换为功利主义的形式。

耶鲁公开课 - 公正课程节选

The abandonment of such a study or its adulteration for current political purposes would be a terrible loss for all of humanity, and at the base, at the root of that civilization stood the Greeks.

如果出于政治的目的而对此段历史,视而不见甚至完全摒弃,这对全人类,将是一个巨大的损失,追根溯源,这一切都根植于希腊文明

耶鲁公开课 - 古希腊历史简介课程节选

If these guys weren't building high performance networks we'd be at a loss.

FORBES: Consortium Builds Next-Generation Net

Translation: If someone dragged Mark Zuckerberg in front of Parliament, he might be at a loss for words, too.

FORBES: Murdoch and Buffett Among the Oldest CEOs. Does It Matter?

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.

NEWYORKER: The Woman of the House