skim off 1. 撇去(浮物) skim off the fat from the soup 撇去汤面上的油脂 2. 〈口〉选取;捞取 The teacher skimmed off the able pupils for his class. 那老师把聪明能干的学生选进自己班。 3. 〈俚〉(为逃税等而)瞒报 The health insurance industry skimmed off more than $5 billion of profits. 医疗保险业瞒报了50多亿美元的利润。