at a loss

形容词 at a loss:

1. filled with bewilderment
   同义词：nonplused, nonplussed, puzzled

副词 at a loss:

1. below cost

1. I'm at a loss what to do next.
   我不知道下一步怎么办。
2. He is always at a loss what to say in front of strangers.
   他在生人面前总是不知要说什么。
3. If you buy a house for22000 and sell it for20000 you are selling at a loss.
   如果你买房时花了22000英镑，卖时只卖20000英镑，那么你就赔钱了。
4. Drawn up sharply by an unexpected question, I felt at a loss.
   突然被一个意外的问题难住，我感到不知所措。
5. 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。
6. I am always at a loss to know how much to believe of my own stories.
   我老是在困惑，对自己写的那些故事究应相信到什么程度。