vt. 擦，摩擦；用…擦；触怒；（使）相互磨擦
vi. 接触，摩擦；擦伤；在困境中持续下去
n. 摩擦的动作；表面不平；阻碍，困难
过去式:rubbed 现在分词:rubbing 过去分词:rubbed 第三人称单数:rubs 名词复数形式:rubs
rub 刮，擦，磨，涂
词源不详。
1、chief itch and rub 首长,头头
2、intaglio printing ink-feeding rub-ber blanket [化] 凹版印刷传墨橡皮布
3、pleuritic rub [医] 胸膜炎摩擦音
4、re-rub
5、rub against 摩擦
6、Rub al-Khali [网络] 鲁布哈利；鲁卡哈利沙漠；鲁布哈利沙漠
7、rub along 勉强相处
8、rub along together 不吵不闹地一起过日子
9、rub away 擦掉, 消除
10、rub down 按摩, 彻底拭擦, 申斥
11、rub elbows 交往, 接触
12、rub elbows with 与...交往
13、rub elbows with... 与(名人)交往
14、rub in 用力擦入, 反复讲
15、rub it in 反复讲别人不爱听的事, 反覆讲令人不快之事, 触人痛处
16、rub off 擦掉, 使减色
17、rub on 勉强度过
18、rub out 擦掉
19、rub sb out 干掉某人, 杀死