at a loss

phr

• ① 迷惑;茫然;不知所措
  • She was completely at a loss for words.=She was at a complete loss for words.她完全不知道要说些什么。
  • He was at a loss to solve the problem.他不知如何解决那个问题。
  • I'm at a loss (as to [about]) what to do.我茫然不知所措。

• ② (猎狗)失去嗅迹

• ③ 在亏损的情况下
  • The car was sold at a loss (of $100).那部汽车在亏损(一百美元)的情形下售出。