资料来源 : pyDict

亏本;困惑,不知所措

资料来源 : WordNet®

at a loss
     adj : filled with bewilderment; "at a loss to understand those
           remarks"; "puzzled that she left without saying
           goodbye" [syn: {at a loss(p)}, {nonplused}, {nonplussed},
            {puzzled}]
     adv : below cost; "sold the car at a loss"