skim
verb uk/skɪm/ us/skɪm/ -mm-
(MOVE ABOVE)
[ I or T ]掠过，擦过（表面）
to move quickly just above a surface without touching it
The birds skimmed (across/along/over) the tops of the waves. 鸟儿从浪尖上飞过。
[ T ] UK (US skip)扔（石块）打水漂
to throw a flat stone horizontally over water so that it touches and rises off the surface several times
We watched a child skimming stones across the lake. 我们看着一个孩子在湖上打水漂。
(CONSIDER QUICKLY)
[ I or T ]浏览，粗略地考虑
to read or consider something quickly in order to understand the main points, without studying it in detail
I've only skimmed (through/over) his letter; I haven't read it carefully yet. 我只是大致看了一遍他的来信，还没有细读。
We've only skimmed the surface of (= considered a small part of) the problem. 我们只是粗浅地讨论了一下这个问题。
(REMOVE)
[ T ]（从液体表面）撇去
to remove something solid from the surface of a liquid
Strain the cooking liquid and skim off the fat. 把熬好的汤过滤，撇去油脂。
(STEAL)
[ T ]盗取（信用卡密码等）
to secretly use a piece of equipment that records someone's credit card details in order to use their credit card account illegally
Phrasal verb
skim someone/something off 挑选（最好的人或物）
to choose the best people or things from a group
They're worried the new school will skim off the brightest students, leaving the public school to teach the problem kids. 他们担心那所新学校会把最聪明的学生拉走，让公立学校处理有问题的学生。
暗中窃取（公款）
to secretly take money that is in your care or that belongs to an organization or business you work for
He got caught skimming off funds from the charity. 他被发现从慈善机构窃取钱财。