slack

• 形容某物不紧、不密实或不绷紧；也可指缺乏严格性或努力程度不足。

Describes something that is not tight, firm, or tense; can also refer to a lack of strictness or diligence.

1. Not tense or tautB1formal

   Loose, not pulled tight; having a relaxed or loose quality.

   松弛的

   • The rope was slack, so he tightened it.
   • Her muscles felt slack after the long massage.
   • The slack line of the flag hung limply in the still air.

   同义词flaccidlaxlimplooserelaxedsagging

   反义词stretchedtauttensetight

2. Flowing with little speedB2formal

   Describing a period of slow or minimal movement, especially in water or tide.

   缓慢的

   • The boat drifted during the slack tide.
   • We waited for the slack water before launching the kayak.
   • The current was slack near the river's bend.

   同义词calmquietslowsluggishstagnantstill

   反义词fastquickrapidrushingswift

3. Lacking in rigor or strictnessB2formal

   Not strict, careful, or thorough; showing a lack of discipline or effort.

   松懈

   • The teacher was criticized for being slack with classroom rules.
   • His slack attitude toward deadlines cost him the promotion.
   • The company's slack security measures led to a data breach.

   同义词carelessinattentivelaxlenientlooseneglectfulnegligentremisssloppy

   反义词carefulconscientiousdiligentdisciplinedexactingmeticulousrigorousscrupulousstrictthorough

• 多义词，可指煤筛分时落下的煤屑和煤尘；性能或质量的明显下降；无流动或静止的水域；松软湿洼、踩上去下陷的低地；松弛或未拉紧的状态；或自由悬挂的绳索、绳子或缆线。

A noun with multiple meanings, including small coal fragments and dust that sift out when coal is sieved; a noticeable deterioration in performance or quality; a stretch of water without current or movement; a soft, wet area of low-lying land that sinks underfoot; the quality of being loose or not taut; or a cord, rope, or cable that is hanging loosely.

1. Coal dust and fragmentsC1formal

   A mixture of small coal fragments and coal dust that sifts out when coal is passed over a sieve.

   煤屑

   • The miners swept up the slack from the coal sorting area.
   • A pile of slack accumulated beneath the sieve.
   • The furnace was fueled with slack and small coal pieces.

   同义词breezeculm

2. Decline in performance or qualityB2informal

   A noticeable deterioration in performance, effort, or quality.

   懈怠

   • There has been a slack in the team's productivity this quarter.
   • The manager noticed a slack in customer service standards.
   • After the holidays, there was a slack in work output.

   同义词drop-offfalloffslump

   反义词excellenceimprovementpeak

3. Still waterC1formal

   A stretch of water without current or movement, often in a river or tide.

   缓流

   • The boat drifted into the slack of the river.
   • During slack tide, the water was perfectly still.
   • Fishermen prefer the slack areas for calm fishing.

   同义词backwater

4. Boggy groundC2formalbritish

   A soft, wet area of low-lying land that sinks underfoot.

   沼泽

   • The hikers avoided the slack near the marsh.
   • The field had several slacks where water collected.
   • Walking through the slack was difficult due to the mud.

   同义词bogfenmarshmiremorassquagquagmiresloughswamp

5. Lack of tensionB2formal

   The quality of being loose or not taut, especially in a rope or cable.

   松弛

   • He pulled the rope to remove the slack.
   • There was too much slack in the fishing line.
   • The climber adjusted the slack in the safety harness.

   同义词givelaxnessloosenessplayslackness

   反义词rigiditystraintautnesstensiontightness

6. Hanging part of a ropeB2formal

   A cord, rope, or cable that is hanging loosely.

   松弛部分

   • The slack of the rope coiled on the deck.
   • He grabbed the slack to secure the boat.
   • The slack in the cable caused it to swing in the wind.

   同义词giveloosenessplayslackness

   反义词tautnesstension

• 动词，表示降低速度、努力或紧张程度；放松、松弛或变得不那么积极。也指偷懒、懈怠。

A verb used to indicate the act of reducing speed, effort, or tension; to loosen or become less active.

1. Avoid work or responsibilitiesB2informal

   To be idle or lazy, avoiding one's duties or tasks.

   偷懒

   • He's been slacking off at work all week.
   • Stop slacking and help me with this project.
   • She tends to slack when the boss isn't watching.

   同义词dodgeevadegoldbrickidleloafmalingershirkskive

   反义词applylaborstrivetoilwork

2. Neglect or be inattentiveB2formal

   To fail to give proper attention or care to something.

   疏忽

   • He slacked his duties as a supervisor.
   • Don't slack your responsibilities toward the team.
   • She slacked her studies and her grades dropped.

   同义词disregarddodgeevadeneglectshirkskive

   反义词attendcareheedmindtend

3. Release tensionB2formal

   To loosen or reduce tension on something, such as a rope or cable.

   放松

   • Slack the rope a little so we can tie it.
   • He slacked the line to release the sail.
   • The climber slacked the rope to give his partner more room.

   同义词easelet outloosenrelaxreleaseslacken

   反义词straintensiontighten

4. Make less active or fastB2formal

   To slow down or reduce the speed or intensity of something.

   减缓

   • The driver slacked his speed as he approached the curve.
   • She slacked the pace to conserve energy.
   • The manager slacked the production rate to improve quality.

   同义词abatedeceleratediminisheasemoderatereducerelaxretardslackenslow

   反义词accelerateexpeditehastenquickenspeed

5. Become slow or slowerB2formal

   To decrease in speed or activity.

   减缓

   • The wind slacked as the storm passed.
   • His enthusiasm slacked after the initial excitement.
   • The flow of traffic slacked during the late hours.

   同义词abatedeceleratediminishease uplet upmoderateslackenslowslow down

6. Make less active or intenseB2formal

   To reduce the level of activity or intensity of something.

   减弱

   • She slacked her efforts after achieving the goal.
   • The company slacked its marketing campaign due to budget cuts.
   • He slacked his training regimen during the holidays.

   同义词abatediminisheaselessenmitigatemoderatereduceslacken

   反义词increaseintensifystiffentighten

7. Become less in amount or intensityB2formal

   To diminish or decrease in quantity or strength.

   减弱

   • The rain slacked after an hour.
   • Demand for the product slacked in the off-season.
   • His anger slacked as he calmed down.

   同义词abatedecreasedie downdiminisheasefall offlessenlet upmoderatereducerelentsubsidetaper offwane

   反义词growincreaseintensifystrengthen

8. Treat with water to cause crumblingC1formal

   To cause something, such as lime, to heat and crumble by treatment with water.

   消解

   • The workers slacked the lime by adding water.
   • They slacked the quicklime to produce hydrated lime.
   • The process of slacking lime requires careful control of water.

   同义词slake

短语动词变体slack offslack up