Word · Frequency #8207
scum
浮渣；浮垢；浮藻
A layer of impurities or algae that forms on the surface of a liquid.
- 1.
A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water).
积聚在液体(尤其是熔融金属或水)表面的杂质层
- 2.
worthless people
无用之人
- 3.
A greenish water vegetation (such as algae), usually found floating on the surface of ponds
漂浮在池塘表面的绿色水生植物(如藻类)
- 4.
a film of impurities or vegetation that can form on the surface of a liquid
液体表面的一层杂质或水生植物薄膜
- 5.
The topmost liquid layer of a cesspool or septic tank.
污水池或化粪池最上层的液体
无用之人；败类；人渣；积聚在液体(尤其是熔融金属或水)表面的杂质层；无用之人；漂浮在池塘表面的绿色水生植物(如藻类)；液体表面的一层杂质或水生植物薄膜
In use
Those people are absolute scum for cheating the elderly.
He called the company's management scum after they laid off workers without warning.
Don't associate with such scum; they'll only bring you trouble.
scum on [surface]
这里 scum 指水面上的浮层或浮渣，常与介词 on 连用。
Green scum on the pond made it look unhealthy.
池塘上的绿色浮渣让它看起来不健康。
be scum
用于骂人或表示极端鄙视，scum 在这种用法中通常不加冠词。
Anyone who betrays a friend is scum.
背叛朋友的人都是渣滓。
the scum of [group]
指某一群体中最卑劣、最不齿的人，常见习语 the scum of the earth。
Connections
Collocations
- scum of the earth
- 社会渣滓；人间败类
- He called them the scum of the earth.他称他们为社会渣滓。
- pond scum
- 池塘浮渣
- The pond was covered with green scum.池塘上覆盖着一层绿色的浮渣。
- human scum
- 人类败类
- Those criminals are human scum.那些罪犯是人类败类。
Idioms & figurative uses
- scum of the earth
- 社会渣滓；人渣He's a liar and a cheat—the scum of the earth.他是个骗子和撒谎精——社会渣滓。
- the scum rises to the top
- 坏人得势；小人当道In unstable times, the scum rises to the top.在不稳定时期，坏人往往会得势。
Synonyms
Learner notes
Memory Tip
记忆：scum 音近 '屎壳'，让人想到液体表面的浮渣或社会渣滓。
Context & Register
语域：informal 常见场景：贬义口语、侮辱性语境 本词用于贬低某人时非常强烈，通常出现在口语中，极少用于正式场合。
Pronunciation & Spelling
All listed words rhyme with scum (/skʌm/). Be careful of words like 'scam' (/skæm/) which look similar but have a different vowel sound.
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, WIKTIONARY.