at a loss片語KK [æt ə lɔs] /æt ə lɔs/發音片語1不知所措、茫然、困惑When the machine stopped working, the new employee was completely at a loss.機器突然停了,那位新員工完全不知所措。2說不出話、無言以對常與 for words 連用Her sudden apology left me at a loss for words.她突然道歉,讓我一時說不出話來。3虧本、賠錢、虧損They had to sell the apartment at a loss last spring.去年春天他們只能虧本賣掉那間公寓。