rub

US /rʌb/
UK /rʌb/
"rub" picture
1.

摩擦, 擦

move one's hand or a cloth repeatedly over a surface while applying pressure

:
•
She began to rub her temples to ease the headache.
她开始揉搓太阳穴以缓解头痛。
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He used a cloth to rub the dirt off his shoes.
他用布擦掉鞋上的泥土。
:
massagechafepolishscrubwipe
2.

摩擦, 磨

cause to move with a continuous friction against a surface

:
•
The branches rubbed against the windowpane in the wind.
树枝在风中摩擦着窗玻璃。
•
His new shoes began to rub his heels.
他的新鞋开始磨脚后跟。
:
chafegrateabradescrape
1.

摩擦, 擦拭

an act of rubbing

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•
Give the surface a good rub to make it shine.
好好擦拭表面，让它发光。
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A quick rub with a damp cloth will clean it.
用湿布快速擦拭一下就能把它弄干净。
:
wipepolishscrubmassage
2.

症结, 困难

a difficulty or problem, especially one that is hidden or not immediately obvious

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The only rub is that we don't have enough money.
唯一的症结是我们没有足够的钱。
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Here's the rub: we need to finish this by tomorrow.
症结在于：我们明天之前必须完成这个。
:
difficultyobstaclehindranceimpedimentsnag
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rubbingrub inrub outbrass rubbingrub shoulders withrub salt in the woundrub someone the wrong way