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- When she missed the train, she was at a loss to know what to do. 她没有赶上火车,不知该怎么办才好。
- I'm at a loss to know what to do. 我不知道干什么好。
- Many people are at a loss as to what to do in case of a real fire. 一旦真的发生火灾，许多人就不知所措，不知道该干什么好了。
- He was at a loss to know what to say. 他一时不知说什么好。
- I was at a loss about what to do, how to organize. 当时我对于如何组织毫无头绪。
- James was at a loss as to what to do and felt lost. 詹姆斯无所适从, 惘然若失。
- Puzzled by his behaviour,they were at a loss what to do. 他的行动使他们莫名其妙，不知怎么办好。
- don't know what to do; be at a loss 没了主意
- She felt a little awkward and was quit at a loss to know what to do. 她觉得有点窘,不知道如何是好。
- not know what course to pursue; be at a loss what to do 无所适从
- Once there is a fire disaster,many people will be at a loss,and don't kow what to do. 一旦真的发生火灾，许多人就不知所措，不知道该干什么好了。
- I was quite at a loss, then. or For a moment I just didn't know what to do. 我一时没了主意。
- Face blame structuralization news, this kind of search also appears be at a loss what to do. 面对非结构化信息，这种搜索也显得束手无策。
- Faced with various things, we were at a loss what to do. 面对繁多的头绪，使我们无所适从。
- He was at a loss what to do in the face of difficulties. 遇到困难他便束手无策了。
- When Don missed the last bus,he was at a loss as to what to do. 当诏错过最末一班车时，他不知道该怎么办。
- I am at my wit'end to know what to do with my son. 我真不知对我儿子该怎么办才好。
- Faced with the new situation, he was at a loss what to do. 面对这一新形势,他不知所措。
- I am at my wit' end to know what to do with my son. 我真不知对我儿子该怎么办才好。
- Puzzled by his behaviour, they were at a loss what to do. 他的行动使他们莫名其妙，不知怎么办好。
