adj. 1.(衣服、绳子等)松的，宽松的。 2.行动迟缓的；无精神的，无气力的。 3.马马虎虎的，懒惰的；松弛的，松懈的，不紧张的。 4.(商业等)呆滞的，清淡的，萧条的。 5.温的，微热的；(面包等)未烘干的，烤得不透的；(石灰等)熟化的。 6.【语音】松弛的，开口音的。 7.不坚实的，软弱的；不完善的。 8.漏水的，透水的。 短语和例子 He is slack in study. 他学业上不用功。 I feel slack. 我觉得发软。 a slack market 呆滞的市场。 slack muscles 松弛的肌肉。 a slack oven 微温的烤箱。 at a slack pace 慢条斯理地。 keep a slack hand [rein] 松着手[缰绳]；宽大统治。 slack lime 消[熟]石灰。 slack season [time] 【商业】淡季。 slack water (停止涨退的)平潮(期)；静流。 slack weather 使人倦怠的天气。 slack in stays 【航海】(调头时)转得慢的(船)。 adv. 1.松弛地；缓慢地。 2.无力地，宽松地，不活泼地。 3.不充分地；不透地。 4.呆滞地，清淡地。 n. 1.(绳、带、帆等的)松弛部分。 2.空隙，空间余宽。 3.轨幅，轨间距离。 4.萧条(时期)，淡季。 5.静止；停滞；平潮期。 6.〔pl.〕(水手等的)宽裤，工装；〔美国〕(男女)运动裤，女裤。 7.〔口语〕闲散，休息。 短语和例子 have a good slack 舒舒服服地休息一下。 pull in [up] the slack 勒紧松弛部分。 vi. 1.怠惰，偷懒；松懈，放松。 2.放慢；减少，和缓，减弱，虚弱；停止。 3.(石灰)熟化。 4.〔口语〕休息，懒散。 vt. 1.放松；松懈，怠忽。 2.使缓慢，放慢；减少，使缓和。 3.熟化(石灰)。 短语和例子 slack off 放松，松劲；偷工，怠工，敷衍了事。 slack up 放慢，慢下来。 adv. -ly ,-ness n. n. 煤渣，煤屑。
lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline" 同义词：lax,
flowing with little speed as e.g. at the turning of the tide; "slack water"
not tense or taut; "the old man''s skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope" 同义词：loose,
cause to heat and crumble by treatment with water; "slack lime" 同义词：slake,
become less in amount or intensity; "The storm abated"; "The rain let up after a few hours" 同义词：abate, let up, slack off, die away,
make less active or intense 同义词：slake, abate,
become slow or slower; "Production slowed" 同义词：slow, slow down, slow up, slacken,
make less active or fast; "He slackened his pace as he got tired"; "Don''t relax your efforts now" 同义词：slacken, slack up, relax,
release tension on; "slack the rope"
be inattentive to, or neglect; "He slacks his attention"
avoid responsibilities and work, be idle
a cord or rope or cable that is hanging loosely; "he took up the slack"
the quality of being loose (not taut); "he hadn''t counted on the slackness of the rope" 同义词：slackness,
a soft wet area of low-lying land that sinks underfoot 同义词：mire, quagmire, quag, morass,
a stretch of water without current or movement; "suddenly they were in a slack and the water was motionless" 同义词：slack water,
a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality" 同义词：slump, drop-off, falloff, falling off,
dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve
例句与用法
1.
I need a top to go with these slacks . 我需要一件上衣来配这条宽松裤。
2.
The early autumn was lusterless and slack . 初秋的日子是黯淡、萧条的。
3.
In the slack period mr. baker came in . 正在空闲的时候贝克先生进来了。
4.
He wore his swimsuit underneath his slacks . 他在运动服里面衬着游泳衣。
5.
His movements were slow and slack . 他的动作慢慢腾腾，懒懒散散。
6.
He noticed at once that discipline was slack . 他马上觉察到敌方纪律松弛。
7.
Demand is slack over the summer months . 夏季的几个月市场滞销。
8.
Stop slacking and get on with that digging ! 别偷懒，继续挖。
9.
The slacks have an elastic waistband . 这条便裤的腰带可伸缩。
10.
The rain was slacking and we were moving along . 雨稀松下来，而我们又走动了。
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