单词 | sweep |
释义 | sweep v. & n. --v (past and past part. swept)   1. tr. clean or clear (a room or area etc.) with or as with a broom.   2. intr. (often foll. by up) clean a room etc. in this way.   3. tr. (often foll. by up) collect or remove (dirt or litter etc.) by sweeping.   4. tr. (foll. by aside, away, etc.) a push with or as with a broom. b dismiss or reject abruptly (their objections were swept aside).   5. tr. (foll. by along, down, etc.) carry or drive along with force.   6. tr. (foll. by off, away, etc.) remove or clear forcefully.   7. tr. traverse swiftly or lightly (the wind swept the hillside).   8. tr. impart a sweeping motion to (swept his hand across).   9. tr. swiftly cover or affect (a new fashion swept the country).   10. intr. a glide swiftly; speed along with unchecked motion. b go majestically.   11. intr. (of geographical features etc.) have continuous extent.   12. tr. drag (a river-bottom etc.) to search for something.   13. tr. (of artillery etc.) include in the line of fire; cover the whole of.   14. tr. propel (a barge etc.) with sweeps. --n   1. the act or motion or an instance of sweeping.   2. a curve in the road, a sweeping line of a hill, etc.   3. range or scope (beyond the sweep of the human mind).   4. = chimney-sweep.   5. a sortie by aircraft.   6. colloq. = SWEEPSTAKE.   7. a long oar worked from a barge etc.   8. the sail of a windmill.   9. a long pole mounted as a lever for raising buckets from a well.   10. Electronics the movement of a beam across the screen of a cathode-ray tube. Phrases and idioms make a clean sweep of   1. completely abolish or expel.   2. win all the prizes etc. in (a competition etc.). sweep away   1. abolish swiftly.   2. (usu. in passive) powerfully affect, esp. emotionally. sweep the board   1. win all the money in a gambling-game.   2. win all possible prizes etc. sweep-second hand a second hand on a clock or watch, moving on the same dial as the other hands. sweep under the carpet see CARPET. swept-back (of an aircraft wing) fixed at an acute angle to the fuselage, inclining outwards towards the rear. swept-up (of hair) = UPSWEPT. swept-wing (of an aircraft) having swept-back wings. Etymology: ME swepe (earlier swope) f. OE swapan |
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