碰到这样的事那位新老师感到不知所措 at a loss

碰到这样的事那位新老师感到不知所措 at a loss 翻译：有点不知所措(at a loss) 英语翻译当问及此事时他茫然不知所措 【at a loss】 英语 at a loss 与 at loss at a loss at a loss啥意思 at a loss 迷失,茫然 Is really at a loss ... he is at a loss 丢失是at loss 还是at a loss 感到为难不知所措是哪个成语的意思? at a loss for a while