rub + object
直接接宾语，表示擦拭或揉搓某人/物。
She rubbed her eyes.
她揉了揉眼睛。
蹭；擦到；涂；抹；擦上；擦亮；打磨；擦干净；阻碍；妨碍；（滚球运动中）擦碰目标球
move one object over another with pressure and friction
在保持接触的情况下移动一个物体
To move (one object) while maintaining contact with another object over some area, with pressure and friction.
被某物摩擦
To be rubbed against something.
薄薄地涂抹某物
To spread a substance thinly over; to smear.
擦亮；抛光；清洁
To scour; to burnish; to polish; to brighten; to cleanse; often with up or over.
阻碍；妨碍
To hinder; to cross; to thwart.
用球触碰目标球
To touch the jack with the bowl.
一般现在时
She rubs her eyes when she is tired.
她累了的时候会揉眼睛。
一般过去时
He rubbed the stain vigorously.
他用力擦拭污渍。
现在进行时
I am rubbing my hands to warm them.
我正在搓手取暖。
常规动词
She rubbed the sore spot on her arm gently.
她轻轻地揉了揉手臂上酸痛的地方。
用法提示：动词过去式，表示用手摩擦以缓解疼痛。
The cat rubbed its head against my leg.
猫用头蹭我的腿。
用法提示：动词过去式，表示物体之间的摩擦接触。
He rubbed his eyes tiredly after a long day.
漫长的一天后，他疲倦地揉了揉眼睛。
用法提示：动词过去式，表示用手摩擦眼睛的动作。
直接接宾语，表示擦拭或揉搓某人/物。
She rubbed her eyes.
她揉了揉眼睛。
常与out, off, in等副词或介词连用，表示擦除或涂抹。
He rubbed the stain out of the carpet.
他把污渍从地毯上擦掉了。
后接形容词表示擦后的状态。
Rub the surface smooth.
把表面擦光滑。
不及物用法，表示与某物摩擦。
The cat rubbed against my leg.
猫蹭了蹭我的腿。
scrub 强调用力擦洗以去除污渍，比 rub 更强烈。
scrape 常指用尖锐或粗糙物体刮擦，可能造成损伤。
massage 专指按摩，不用于物体表面。
polish 强调通过摩擦使表面光亮，常用于金属、木质物品。
动词"rub"（摩擦，用力擦）的反义，指轻柔地触摸或抚摩。
揉眼睛
He rubbed his eyes and yawned.
他揉了揉眼睛，打了个哈欠。
搓手（常表示期待或寒冷）
She rubbed her hands together to warm them.
她搓手取暖。
与某人交往（尤指名人或要人）
At the gala, he got to rub shoulders with famous actors.
在晚会上，他有幸与著名演员交往。
雪上加霜；伤口上撒盐
Losing the game was bad enough, but his teasing really rubbed salt into the wound.
输掉比赛已经够糟了，他的嘲笑更是雪上加霜。
反复提及令人尴尬或痛苦的事
I know I made a mistake; you don't need to rub it in.
我知道我犯错了，你不用反复提。
反复提及不愉快的事
I know I made a mistake, but you don't have to rub it in.
我知道我犯错了，但你没必要反复提。
与…交往
At the conference, she rubbed shoulders with many famous scientists.
在会议上，她与许多著名科学家交往。
惹恼某人
His arrogant attitude rubbed me the wrong way.
他傲慢的态度惹恼了我。
擦擦擦，三个男人在浴缸里
In the nursery rhyme, the men rub themselves in the tub.
在这首童谣中，男人们在浴缸里擦洗身体。
你擦了神灯！
Aladdin rubbed the lamp to release the genie.
阿拉丁擦了神灯来释放精灵。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.