break down

英 [breɪk daʊn]

美 [breɪk daʊn]

（机器或车辆）出毛病，损坏; （讨论、关系或系统）失败，破裂，失灵; 分解; 将…分成若干部分; （使）（物质）分解; 感情失控（痛哭起来）; 捣毁; 拆除; 消除，破除（障碍或偏见）

TOEFL 化学

Collins.2

柯林斯词典

PHRASAL VERB （机器或车辆）出毛病，损坏
If a machine or a vehiclebreaks down, it stops working.
1. Their car broke down.
  他们的车子出故障了。
PHRASAL VERB （讨论、关系或系统）失败，破裂，失灵
If a discussion, relationship, or systembreaks down, it fails because of a problem or disagreement.
1. Talks with business leaders broke down last night...
  昨晚与商界领导人的谈判破裂了。
2. Paola's marriage broke down.
  葆拉的婚姻破裂了。
PHRASAL VERB 分解；将…分成若干部分
Tobreak downsomething such as an idea or statement means to separate it into smaller parts in order to make it easier to understand or deal with.
1. The report breaks down the results region by region...
  报告将调查结果按地区分成若干部分。
2. These rules tell us how a sentence is broken down into phrases.
  这些规则告诉我们一个句子是怎样分解成若干短语的。
PHRASAL VERB-ERG （使）（物质）分解
When a substancebreaks downor when somethingbreaksitdown, a biological or chemical process causes it to separate into the substances which make it up.
1. Over time, the protein in the eggshell breaks down into its constituent amino acids...
  时间久了，蛋壳中的蛋白质就会分解为其构成成分氨基酸。
2. The oil is attacked by naturally occurring microbes which break it down.
  原油受到了自然产生的分解油类物质的微生物的侵蚀。
PHRASAL VERB 感情失控（痛哭起来）
If someonebreaks down, they lose control of themselves and start crying.
1. Because he was being so kind and concerned, I broke down and cried...
  他如此体贴关心，令我忍不住失声痛哭。
2. The young woman broke down in tears.
  这名年轻妇人痛哭流涕。
PHRASAL VERB 捣毁；拆除
If youbreak downa door or barrier, you hit it so hard that it falls to the ground.
1. An unruly mob broke down police barricades and stormed the courtroom...
  一伙暴徒捣毁了警察设置的路障冲进法庭。
2. Firemen were called after his father failed to break the door down.
  他的父亲没能把门砸开，后来就把消防员叫来了。
PHRASAL VERB 消除，破除（障碍或偏见）
Tobreak downbarriers or prejudices that separate people or restrict their freedom means to change people's attitudes so that the barriers or prejudices no longer exist.
1. His early experience enabled him to break down barriers between Scottish Catholics and Protestants.
  他早年的经历使他能够消除苏格兰天主教徒和新教徒之间的隔阂。
See also:breakdown broken-down

英英释义

verb

collapse due to fatigue, an illness, or a sudden attack
Synonym:collapse
separate (substances) into constituent elements or parts
Synonym:decomposebreak up
stop operating or functioning
1. The engine finally went
2. The car died on the road
3. The bus we travelled in broke down on the way to town
4. The coffee maker broke
5. The engine failed on the way to town
6. her eyesight went after the accident
Synonym:failgo badgive waydiegive outconk outgobreak
make a mathematical, chemical, or grammatical analysis of
1. analyze a specimen
2. analyze a sentence
3. analyze a chemical compound
Synonym:analyzeanalysedissecttake apart
make ineffective
1. Martin Luther King tried to break down racial discrimination
Synonym:crush
cause to fall or collapse
lose control of one's emotions
1. When she heard that she had not passed the exam, she lost it completely
2. When her baby died, she snapped
Synonym:lose itsnap
fall apart
1. the building crumbled after the explosion
2. Negotiations broke down
Synonym:crumblecrumpletumblecollapse

双语例句

The systems on the planet have to break down and change in order to start new.
行星上系统已经崩溃和为了开始新的变化。
Some washing powders break down proteins by chemical action.
有些洗衣粉能通过化学作用分解蛋白质。
Figures 2 and 3 break down the infrastructure of Web 2.0.
图2和图3对Web2.0的基础设施进行了分解。
The oil is attacked by naturally occurring microbes which break it down.
原油受到了自然产生的分解油类物质的微生物的侵蚀。
Your health will break down if you work too hard.
如果你过分辛劳，会把身体搞垮。
The report breaks down the results region by region
报告将调查结果按地区分成若干部分。
Because he was being so kind and concerned, I broke down and cried
他如此体贴关心，令我忍不住失声痛哭。
He loses his way, furthermore, his car break down.
他迷了路，而且汽车坏了。
She had been waiting for Simon to break down the barrier between them
她一直在等待西蒙打破他们之间的隔阂。
I'd probably break down and cry.
我很可能会崩溃而哭泣。