rub

1.[t][i]擦；磨；搓to move your hand, or sth such as a cloth, backwards and forwards over a surface while pressing firmly

She rubbed her chin thoughtfully.她若有所思地抚摩着下巴。

Rub the surface with sandpaper before painting.用砂纸打磨表面，然后再上油漆。

The cat rubbed itself against my legs.猫在我腿上蹭来蹭去。

I rubbed at the stain on the cloth.我擦了擦布上的污渍。

Animals had been rubbing against the trees.动物一直在这些树上蹭来蹭去。

Rub the surface smooth.将表面擦光。

2.[t][i]（使）相互磨擦；搓to press two surfaces against each other and move them backwards and forwards; to be pressed together and move in this way

She rubbed her hands in delight.她高兴得直搓手。

It sounded like two pieces of wood rubbing together.听起来就像是两块木头在一起磨擦。

3.[i][t]磨，摩擦（尤指引起疼痛或损害）to move backwards and forwards many times against sth while pressing it, especially causing pain or damage

The back of my shoe is rubbing.我的鞋后跟磨脚。

The wheel is rubbing on the mudguard.车轮蹭着挡泥板了。

The horse's neck was rubbed raw(= until the skin came off) where the rope had been.马脖子上套过缰绳的地方皮都给磨掉了。

4.[t]~ sth + adv./prep.涂；抹；搽to spread a liquid or other substance over a surface while pressing firmly

She rubbed the lotion into her skin.她把润肤液揉搓进皮肤里。

1.[c][ususing]擦；抹；搓；揉an act of rubbing a surface

She gave her knee a quick rub.她很快地揉了揉膝盖。

2.[sing]问题；困难a problem or difficulty

The hotel is in the middle of nowhere and there lies the rub . We don't have a car.难就难在旅馆很偏远，我们又没有汽车。