词典释义：
move one's hand or a cloth repeatedly to and fro on the surface of (something) with firm pressure
擦，摩擦；揉擦，按摩
-
she rubbed her arm, where she had a large bruise 她揉擦有大块青肿的手臂
-
[no obj.]
he rubbed at the earth on his jeans .他揉擦着牛仔裤上的泥土。
[with obj. and adverbial of direction]move (one's hand, a cloth, or another object) over a surface in such a way
用（手，布或其他物体）擦，摩擦；揉擦，按摩
-
he rubbed a finger round the rim of his mug .他用手指擦了擦杯口四周。
[with obj. and adverbial]cause (two things) to move to and fro against each other with a certain amount of pressure and friction
使（两物）相擦；使触碰
-
many insects make noises by rubbing parts of their bodies together .许多昆虫通过摩擦身体的部位来发出声音。
[no obj., with adverbial]move to and fro over something while pressing or grinding against it
互相摩擦；触碰
-
the ice breaks into small floes that rub against each other .冰块断裂成互相触碰的小浮冰。
[no obj.](of shoes or other hard items in contact with the skin)cause pain through friction
（鞋子或与皮肤接触的其他硬物）擦痛
-
badly fitting shoes can rub painfully .不合脚的鞋子会擦痛脚。
make dry, clean, or smooth with pressure from a hand, cloth, or other object
擦干；擦净；擦光滑
-
she found a towel and began rubbing her hair 她找到一条毛巾，开始擦干头发
-
[with obj. and complement]
she rubbed herself as dry as possible .她把自己擦得尽量干。
[with obj. and adverbial]spread (ointment, polish, or a substance of similar consistency) over a surface with repeated movements of one's hand or a cloth
擦，涂（油膏，擦亮剂或其他类似粘稠度的物质）
-
she took out her suncream and rubbed some on her nose .她拿出防晒霜，涂了些在鼻子上。
(
把（配料）揉擦进（混合物）
-
sift the flour into a bowl and rub in the fat .把面粉筛进碗里，然后把脂油揉进面粉里。
reproduce the design of (a sepulchral brass or a stone) by rubbing paper laid on it with heelball or coloured chalk
摹拓，拓印（黄铜碑或墓石的）碑文。
[no obj.]
【滚木球】 （球）受阻，转向。
[usu. in sing.] an act of rubbing
擦，摩擦；按摩
-
she pulled out a towel and gave her head a quick rub .她拉出一条毛巾，迅速擦了一下头。
an ointment designed to be rubbed on the skin to ease pain
（涂在皮肤上减轻疼痛的）油膏
-
a muscle rub .揉擦肌肉的油膏。
(一般作
（尤指困难处境中至关重要的）困难，障碍
-
that was the rub — she had not cared enough .那就是问题所在—— 她关心不够。[ORIGIN: from Shakespeare's <Italic>Hamlet</Italic> (iii. i. 65).]
【滚木球】 （使球受阻或转向的）场地不平；（球）受阻，转向。
-
not have two — to rub together informal have none or hardly any of the specified item, especially money 〈非 正式〉 没有（或几乎没有）某物（尤指钱）she doesn't have two farthings to rub together . 她身无分文 -
rub one's hands rub one's hands together to show keen satisfaction 双手相擦以示极为满意 -
rub it in （或rub someone's nose in something ）informal emphatically draw someone's attention to an embarrassing or painful fact 〈非正式〉 向某人反复提及尴尬（或令人痛苦）的事；揭某人的疮疤they don't just beat you, they rub it in . 他们不只是打你，他们还让你难堪 -
rub noses rub one's nose against someone else's in greeting （especially as traditional among Maoris and some other peoples） （问候时）互相用鼻子摩擦（尤指毛利人和其他一些民族的传统问候方式） -
rub shoulders （或〈美〉elbows ） associate or come into contact with another person 和（某人）接触，和（某人）接近，和（某人）密切往来he rubbed shoulders with TV stars at the party . 在聚会上他和电视明星接近 -
rub someone （或〈英〉rub someone up ）the wrong way irritate or repel someone as by stroking a cat against the lie of its fur 惹怒某人，触犯某人，使某人反感
-
rub along Brit .informal cope or manage without undue difficulty 〈英，非正式〉 勉强对付过去they rub along because their overheads are so low . 他们还算能对付过去，因为他们付出的管理费用很低 -
have a friendly but not intense relationship; get along together 保持尚称和睦的关系，相处得还不错，合得来
they liked each other and rubbed along quite well . 他们彼此有好感，相处得很不错 -
rub something down dry, smooth, or clean something by rubbing 擦干；擦亮；磨光；擦净 -
rub the sweat from a horse or one's own body after exercise 把（马或人身上的汗）擦干
-
rub off be transferred by contact or association （通过接触或交往而）对…产生影响when parents are having a hard time, their tension can easily rub off on the kids . 当父母日子不好过时，他们的紧张会很容易传染给孩子 -
rub someone out informal ,chiefly N. Amer . kill someone 〈非正式，主北美〉 杀掉某人，干掉某人 -
rub something out erase pencil marks with a rubber （用橡皮擦）擦掉，抹掉（铅笔字迹） -
rub something up polish a metal or leather object 擦拭；擦亮（金属，皮革制品）
"Middle English （as a verb）： perhaps from Low German
