n. 摩擦, 困难, 障碍, 磨损处

vt. 擦, 搓, 摩擦, 惹怒

vi. 摩擦, 擦破

[医] 摩擦

Rub \Rub\, v. t. [imp. & p. p. {Rubbed}; p. pr. & vb. n.
{Rubbing}.] [Probably of Celtic origin; cf. W. rhwbiaw, gael.
rub.]
1. To subject (a body) to the action of something moving over
its surface with pressure and friction, especially to the
action of something moving back and forth; as, to rub the
flesh with the hand; to rub wood with sandpaper.

It shall be expedient, after that body is cleaned,
to rub the body with a coarse linen cloth. --Sir T.
Elyot.

2. To move over the surface of (a body) with pressure and
friction; to graze; to chafe; as, the boat rubs the
ground.

3. To cause (a body) to move with pressure and friction along
a surface; as, to rub the hand over the body.

Two bones rubbed hard against one another.
--Arbuthnot.

4. To spread a substance thinly over; to smear.

The smoothed plank, . . .
New rubbed with balm. --Milton.

5. To scour; to burnish; to polish; to brighten; to cleanse;
-- often with up or over; as, to rub up silver.

The whole business of our redemption is to rub over
the defaced copy of the creation. --South.

6. To hinder; to cross; to thwart. [R.]

'T is the duke's pleasure,
Whose disposition, all the world well knows,
Will not be rubbed nor stopped. --Shak.

{To rub down}.
(a) To clean by rubbing; to comb or curry; as, to down a
horse.
(b) To reduce or remove by rubbing; as, to rub down the
rough points.

{To rub off}, to clean anything by rubbing; to separate by
friction; as, to rub off rust.

{To rub out}, to remove or separate by friction; to erase; to
obliterate; as, to rub out a mark or letter; to rub out a
stain.

{To rub up}.
(a) To burnish; to polish; to clean.
(b) To excite; to awaken; to rouse to action; as, to rub
up the memory.


Rub \Rub\, v. i.
1. To move along the surface of a body with pressure; to
grate; as, a wheel rubs against the gatepost.

2. To fret; to chafe; as, to rub upon a sore.

3. To move or pass with difficulty; as, to rub through woods,
as huntsmen; to rub through the world.

{To rub along} or {on}, to go on with difficulty; as, they
manage, with strict economy, to rub along. [Colloq.]


Rub \Rub\, n. [Cf. W. rhwb. See Rub, v,t,]
1. The act of rubbing; friction.

2. That which rubs; that which tends to hinder or obstruct
motion or progress; hindrance; obstruction, an impediment;
especially, a difficulty or obstruction hard to overcome;
a pinch.

Every rub is smoothed on our way. --Shak.

To sleep, perchance to dream; ay, there's the rub.
--Shak.

Upon this rub, the English ambassadors thought fit
to demur. --Hayward.

One knows not, certainly, what other rubs might have
been ordained for us by a wise Providence. --W.
Besant.

3. Inequality of surface, as of the ground in the game of
bowls; unevenness. --Shak.

4. Something grating to the feelings; sarcasm; joke; as, a
hard rub.

5. Imperfection; failing; fault. [Obs.] --Beau. & Fl.

6. A chance. [Obs.]

Flight shall leave no Greek a rub. --Chapman.

7. A stone, commonly flat, used to sharpen cutting tools; a
whetstone; -- called also {rubstone}.

{Rub iron}, an iron guard on a wagon body, against which a
wheel rubs when cramped too much.

{Rub of the green} (Golf), anything happening to a ball in
motion, such as its being deflected or stopped by any
agency outside the match, or by the fore caddie.
[1913 Webster + Webster 1913 Suppl.]