loss /lɔs/ n. 1.［u］丧失，遗失: The loss of his money worried him. 他为丢钱而忧心忡忡。He suffered a temporary loss of memory. 他暂时丧失了记忆力。 2.［c］损失，减少，亏损: turn loss into gain 转亏为盈；stand a loss 承受损失；make up a loss 弥补损失；complete loss of 完全丧失…His death means a great loss to science. 他的死对科学是个巨大的损失。3.［u］失败，打输: This game is their first loss. 这场比赛是他们第一次失败。at a loss 不知所措，茫然不解： They were at a loss. They could speak very little English. 他们不知所措，他们几乎不会说英语。I’m at a loss what to do. 我不知所措。