| 词汇 | break down |
| 释义 | break down [phrasal verb] 1 a of a machine : to stop working properly（机器）损坏，出故障 Our car broke down on the highway.我们的汽车在公路上抛锚了。 This old motorcycle is constantly breaking down.这辆旧摩托车老是出毛病。 — see also 1break 4 (above) b : to fail or stop usually in a complete and sudden way失败；突然停止 Negotiations have broken down. [=collapsed]谈判已经破裂。 The government's argument broke down completely when new evidence came to light.新证据一经曝光，政府的辩解就完全站不住脚了。 Their marriage had broken down [=failed], and there was nothing to do about it.他们的婚姻已经破裂，无法挽救了。 2 a : to become overwhelmed by strong emotions感情失控；感情崩溃 She broke down and started to cry. = She broke down in tears.她无法自抑地哭起来。 — see also 1break 8c (above) b break down or break (someone) down or break down (someone) : to lose or cause (someone) to lose strength or the ability to resist or fight（使某人）垮掉，变得衰弱 The prisoner finally broke down under intensive questioning.在强大的审问攻势下，囚犯的精神防线终于崩溃了。 She finally broke down and got a cell phone. [=she bought a cell phone after resisting the desire to buy one for a long time]她最终禁不住诱惑，还是买了一部手机。 Intensive questioning finally broke the prisoner down.强大的审问攻势最终使囚犯精神防线崩溃。 — see also 1break 8b (above) 3 break down or break (something) down or break down (something) a : to become separated or to separate (something) into simpler substances（使）分解 The foods you eat break down in the body's digestive system.吃下去的食物在消化系统中分解。 The body's digestive system breaks food down.身体的消化系统分解食物。 Water can be broken down into hydrogen and oxygen through electrolysis. = Water can break down into hydrogen and oxygen through electrolysis.通过电解作用，水会被分解为氢气和氧气。 b : to be able to be divided or to divide (something) into parts or groups（使）分为 The report breaks down into three sections. = The report is broken down into three sections. [=the report has three sections]报告分为三个部分。 The author has broken down the nation's history into three distinct periods.作者把这个国家的历史分为三个不同的时期。 4 break (something) down or break down (something) : to use force to push (something) to the ground拆除；捣毁 break a door down把门拆除 break down a barrier清除障碍 — sometimes used figuratively有时用作比喻 They are working to break down legal barriers to integration.他们正致力于消除一体化进程中的法律障碍。 — see also breakdown break |
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