break down

To cause to collapse; destroy

使崩溃；毁坏

break down a partition; broke down our resolve.

捣毁一堵隔墙；丧失了我们的决心

To become or cause to become distressed or upset.

使健康、精神崩溃

To give up resistance; give way

放弃抵抗；屈服

broke down and bought a new car; prejudices that break down slowly.

不再坚持，买了一辆新的小轿车；慢慢放弃了的偏见

To fail to function; cease to be useful, effective, or operable

失效；没用了

The elevator broke down.

电梯出毛病了

To render or become weak or ineffective

使…变弱，变得无效

Opposition to the king's rule gradually broke down his authority.

对国王统治的反抗逐渐削弱了他的权威

To divide into or consider in parts; analyze.

成为可分的；可进行分析

The population breaks down into three main groups.

人口可分成三个主要的群族

To decompose or cause to decompose chemically.

从化学上分解，使从化学上分解

&I{Electricity} To undergo a breakdown.

&I{【电学】} 击穿

break in

To train or adapt for a purpose.

驯服，习惯于：为一目的而训练或使…适应

To loosen or soften with use

用惯，穿惯：通过使用使…松软

break in new shoes.

把一双新鞋穿得合脚

To enter premises forcibly or illegally

强行进入，非法进入

a prowler who was trying to break in.

企图非法闯入的小偷

To interrupt a conversation or discussion.

闯入

break into

To interrupt

打断

“No one would have dared to break into his abstraction”(&b{Alan Paton})

“没有人胆敢打断他的臆想”(&b{艾伦·佩顿})

To begin suddenly

突然开始

The horse broke into a wild gallop. The child broke into a flood of tears.

那匹马开始狂奔。那个孩子突然放声大哭

To enter (a field of activity)

进入（一个活动领域）

broke into broadcast journalism at an early age.

早年就进入了广播新闻界

break off

To separate or become separated, as by twisting or tearing.

扯断，断裂：通过扭曲，撕扯分开

To stop suddenly, as in speaking.

说话时突然打住

To discontinue (a relationship).

不再友好，绝交

break out

To become affected with a skin eruption, such as pimples.

出皮疹：被皮疹感染，如丘疹

To develop suddenly and forcefully

猛地爆发

Fighting broke out in the prison cells.

牢房里发生斗殴

To ready for action or use

拿出…供消费

Break out the rifles!

准备好来福枪！

Let's break out the champagne.

我们开一瓶香槟吧

To emerge or escape.

出现或逃走

To be separable or classifiable into categories, as data.

可分开归入各种类别，如数据

To isolate (information) from a large body of data.

分隔：从大量数据中把（信息）离析出来

break through

To make a sudden, quick advance, as through obstruction or opposition.

突破，穿过：冲破障碍突然、迅速地前进

break up

To separate into pieces; divide

打破…的统一性或连贯性

break up a chocolate bar.

把一块长条巧克力弄碎

An impromptu visit broke up the long afternoon.

突然的造访打破了漫长的午后时光

To scatter; disperse

分散；散开

The crowd broke up after the game.

比赛结束后人群四面散开

To bring or come to an end

使…结束或结束

Guards broke up the fight. The marriage broke up.

警卫们结束了这场打斗。婚姻破裂了

&I{Informal} To burst or cause to burst into laughter.

【非正式用语】 爆发出大笑，使…爆发出大笑

break one's back

put great effort into achieving something

努力做成某事

break the back of

accomplish the main hardest part of (a task)

完成某项任务中最困难的部分

we've broken the back of the problem.

我们已经解决了这个问题的最困难的部分。

break the bank

we've broken the back of the problem.

我们已经解决了这个问题的最困难的部分。

break one's duck

we've broken the back of the problem.

我们已经解决了这个问题的最困难的部分。

break someone's heart

we've broken the back of the problem.

我们已经解决了这个问题的最困难的部分。

break a leg!

(theatrical slang)good luck!

(舞台俚语)好运气！

break the mould