at a loss片语KK [æt ə lɔs] /æt ə lɔs/发音片语1不知所措、茫然、困惑When the machine stopped working, the new employee was completely at a loss.机器突然停了,那位新员工完全不知所措。2说不出话、无言以对常与 for words 连用Her sudden apology left me at a loss for words.她突然道歉,让我一时说不出话来。3亏本、赔钱、亏损They had to sell the apartment at a loss last spring.去年春天他们只能亏本卖掉那间公寓。用这个字练口说→