break up: vt. 开垦(破碎,破坏,解散,结束,衰弱) 例句与用法: 1. He was breaking up under the strain. 他劳累过度,身体逐渐衰弱。 2. The Government has broken up the large private estates. 政府把大片的私人地产分割开。 break down: vt. 打破(减轻,坍塌,彻底失败,精神不支,中止,把分解) 例句与用法: 1. Her health broke down under the pressure of work. 工作的压力把她的身体弄垮了。 2. The telephone system has broken down. 电话系统失灵了. 3. Negotiations between the two sides have broken down. 双方谈判已经破裂. 4. He broke down and wept when he heard the news. 他听到这个消息时不禁痛哭起来. 5. If law and order break down, anarchy will result. 法治一垮, 就会出现无政府状态. 6. Expenditure on the project breaks down as follows: wages 10m, plant 4m, raw materials 5m. 该工程费用开支可分成如下几部分: 工资一千万英镑, 厂房设备四百万英镑, 原料五百万英镑. 7. Firemen had to break the door down to reach the people trapped inside. 消防人员须破门而入, 才能抢救困在屋里的人. 8. We (ie Our car) broke down on the motorway. 我们(的汽车)在高速公路上抛锚了. break in: vt. 闯入(打断,使习惯于,使驯服,训练成为) 例句与用法: 1. Burglars had broken in while we were away on holiday. 我们外出度假时, 小偷闯入屋内行窃。 2. Please don't break in on our conversation. 请不要打断我们的谈话。 3. There must be a break in the circuit. 电路中一定有断路. 4. The thieves must have had someone on the inside to help them break in. 那伙盗贼一定有内应, 协助他们闯了进去. break out: 爆发 例句与用法: 1. His face broke out in a rash. 他的脸上突然长满了皮疹。 2. The prophet said that war will break out. 先知预言战争将爆发。 3. He prophesied that war would break out. 他预言说战争将要爆发。 4. Should another world war break out, what would become of human beings? 万一另一次世界大战爆发,人类将会发生什么事? break into: 闯入 例句与用法: 1. As the President's car arrived, the crowd broke into loud applause. 总统的汽车到达时,群众中爆发出热烈的掌声。 2. I can't pay the 50p I owe you without breaking into a 5 note. 我得把一张5英镑的钞票兑开, 才能把欠你的50便士付给你. 3. All this extra work I'm doing is breaking into my leisure time. 我目前的这一切额外工作用去了我的闲暇时间. 4. His house was broken into (eg by burglars) last week. 上星期有人闯入他的房屋(如窃贼). 5. The sunlight will break into different colors through a prism. 阳光穿过棱镜时将分解成各种颜色。 6. Social duties break into my time. 社交应酬占据了我的时间。 7. The thieves planned to break into a bank. 行窃者计划洗劫银行。 break through: vt. 突破 例句与用法: 1. The sun broke through at last in the afternoon. 太阳在下午终於从云层後面钻出来了. 2. Demonstrators broke through the police cordon. 示威群众突破了警戒线. 3. Scientists say they are beginning to break through in the fight against cancer. 科学家们说, 他们在防治癌症方面开始有所突破. 4. Demonstrators tried to break through the police cordon. 示威群众企图突破警察的封锁线