Word · CEFR C1 · Frequency #11676
slack
松弛部分；未拉紧的部分
the part of something, especially a rope, that hangs loose and is not pulled tight
- 1.
The part of anything that hangs loose, having no strain upon it.
松弛的部分
- 2.
A temporary speed restriction where track maintenance or engineering work is being carried out at a particular place.
因某处轨道维护或施工而实行的临时限速
- 3.
A valley, or small, shallow dell; a sag or saddle in a ridge.
山谷或浅洼地；山脊上的凹陷或鞍部
- 4.
Small coal; coal dust.
碎煤；煤屑
- 5.
dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve
煤筛时筛出的煤屑、煤尘和泥土混合物
- 6.
A dip in a surface.
表面的凹陷
- 7.
A flat-bottomed, hollow zone within a sand-dune system that has developed over impervious strata, sometimes due to erosion or blow-out of the dune system; its flat base level is therefore close to or at the permanent water-table level, and therefore has rich, marshy flora, with Salix species (willows) as typical woody colonisers.
沙丘系统中底部平坦的洼地,下有不透水层,地下水位近地表,植物丰富,柳属为典型木本植物
- 8.
a noticeable deterioration in performance or quality
性能或质量的明显下降
- 9.
In particular, a shallow dell or hollow; a dip in the surface of terrain, such as between hills.
浅谷或洼地；地形表面的凹陷,如山丘之间
- 10.
a stretch of water without current or movement
无水流或静止的水域
- 11.
A low-lying marsh or a pool, especially a tidal or intermittent one which periodically fills and drains.
低洼的沼泽或水池,尤其是潮汐或间歇性注满和排空的
- 12.
Unconditional listening attention given by client to patient.
病人给予客户的无条件倾听注意
下滑；衰退；铁路施工处的临时限速；小山谷；洼地；低洼处；凹陷；低凹处；静水；不流动的水面
In use
Take up the slack in the tent rope so the canvas doesn't flap in the wind.
There's too much slack in the cable; pull it tighter before you secure it.
He adjusted the sail by pulling in the slack of the mainsheet.
a gradual slack in output
suddenly they were in a slack and the water was motionless
Connections
Collocations
- cut somebody some slack
- 对某人宽容一些；给某人留有余地
- The teacher cut us some slack and extended the deadline by two days.老师对我们放宽了一点要求，把截止日期延后了两天。
- take up the slack
- 收紧松弛的部分；拉紧
- Take up the slack in the rope before you tie it to the post.在把绳子系到柱子上之前，先把松弛的部分收紧。
- pick up the slack
- 接替他人未完成的工作；填补空缺
- When a colleague went on leave, the rest of the team had to pick up the slack.当一位同事休假时，团队其他人不得不接替他的工作。
Idioms & figurative uses
- cut someone some slack
- 对某人宽容一点；给某人一些自由或余地Hey, cut me some slack — I'm doing my best.嘿，给我点宽容——我已经尽力了。
- pick up the slack
- 接替工作；填补空缺When she left, the rest of the team had to pick up the slack.
Learner notes
Memory Tip
绳子没绷紧、松松垂下的部分就是 slack；想象字母 S 像松弛下垂的绳弯。
Context & Register
语域：mixed 常见场景：日常谈论绳子、布料等未绷紧的部分、铁路施工或维护中的临时限速、地质、煤矿等专业描述 slack 作名词时最常用的‘松弛部分’义项在日常生活和一般书面语中都比较常见；铁路限速、地理洼地、煤屑等义项则多用于相应专业场合。选择时通常需根据语境判断。
Grammar Note
煤屑义项不可数；衰退或静水区义项可数
Pronunciation & Spelling
这些词都与 slack /slæk/ 押韵，重读元音及后续辅音均为 /æk/。注意 slake /sleɪk/ 和 sleek /sliːk/ 形近但发音不同，不押韵。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.