| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024dust•off (dust′ôf′, -of′),USA pronunciation n. [Mil. Slang.]- Militarymedevac (def. 1).
- dust + (take)off, with pun on verb, verbal phrase dust off 1965–70
WordReference Random House Learner's Dictionary of American English © 2024dust /dʌst/USA pronunciation n. [uncountable]- matter in fine, powdery, dry particles:a layer of dust on the books.
- any finely powdered substance, such as sawdust:gold dust.
v. - to wipe the dust from (furniture, etc.): [no object]On Fridays we dust and vacuum.[~ + object]We dusted the bookshelves.
- to sprinkle (crops, etc.) with a powder or dust:[~ + object]to dust crops with insecticide.
- to sprinkle (a powder or other fine particles):[~ + object]to dust insecticide on a rosebush.
- Idioms dust off, to prepare to use again: [~ + off + object]I dusted off those old speeches and got them ready for a new tour.[~ + object + off]to dust a few old speeches off.
Idioms- Idioms bite the dust:
- to die:He bit the dust in the last episode.
- to suffer defeat:She bit the dust in the later primaries.
- to become ruined or unusable:The old refrigerator has bitten the dust.
- Idioms make the dust fly, to work with vigor.
dust•less, adj. WordReference Random House Unabridged Dictionary of American English © 2024dust (dust),USA pronunciation n. - earth or other matter in fine, dry particles.
- a cloud of finely powdered earth or other matter in the air.
- any finely powdered substance, as sawdust.
- the ground;
the earth's surface. - the substance to which something, as the dead human body, is ultimately reduced by disintegration or decay;
earthly remains. - British Terms
- ashes, refuse, etc.
- junk1 (def. 1).
- a low or humble condition.
- anything worthless.
- disturbance;
turmoil. - See gold dust.
- the mortal body of a human being.
- a single particle or grain.
- [Archaic.]money;
cash. - Idioms bite the dust:
- to be killed, esp. in battle;
die. - to suffer defeat;
be unsuccessful;
fail:Another manufacturer has bitten the dust.
- Idioms leave one in the dust, to overtake and surpass a competitor or one who is less ambitious, qualified, etc.:Don't be so meek, they'll leave you in the dust.
- Idioms lick the dust:
- to be killed;
die. - to humble oneself abjectly;
grovel:He will resign rather than lick the dust.
- Idioms make the dust fly, to execute with vigor or speed:We turned them loose on the work, and they made the dust fly.
- Idioms shake the dust from one's feet, to depart in anger or disdain;
leave decisively or in haste, esp. from an unpleasant situation:As the country moved toward totalitarianism, many of the intelligentsia shook the dust from their feet. - Idioms throw dust in someone's eyes, to mislead;
deceive:He threw dust in our eyes by pretending to be a jeweler and then disappeared with the diamonds.
v.t. - to wipe the dust from:to dust a table.
- to sprinkle with a powder or dust:to dust rosebushes with an insecticide.
- to strew or sprinkle (a powder, dust, or other fine particles):to dust insecticide on a rosebush.
- to soil with dust;
make dusty.
v.i. - to wipe dust from furniture, woodwork, etc.
- to become dusty.
- to apply dust or powder to a plant, one's body, etc.:to dust with an insecticide in late spring.
- dust off:
- Sport[Baseball.](of a pitcher) to throw the ball purposely at or dangerously close to (the batter).
- to take out or prepare for use again, as after a period of inactivity or storage:I'm going to dust off my accounting skills and try to get a job in the finance department.
- to beat up badly:The gang of hoodlums dusted off a cop.
- bef. 900; Middle English; Old English dūst; cognate with German Dunst vapor
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