1. break away突然逃掉或离开。如:The thief broke away from the policeman. 小偷从警察那逃脱了。断绝往来,脱离。如:He broke away from all his old friends. 他同他所有的老朋友断绝了往来。改掉,破除。如:You must break away from such habits. 你必须改掉那些习惯。2. break down坏了。如:The car broke down after an hour’s driving. 车子开了一个小时就坏了。失败。如:Our plans have broken down. 我们的计划已失败了。中断。如:He broke down as he was singing. 他没唱完就突然停住了。变坏。如:Her health broke down under the pressure of work. 工作的压力把他的身体弄垮了。3. break in突然进来,强行进入。如:He broke in and stole my money. 他闯进来偷了我的钱。插嘴,打岔。如:He broke in with some ideas of his own. 他插话谈了自己的一些想法。Please don’t break in on our conversation. 请不要打断我们的谈话。The secretary broke in to say that a telegram had just arrived. 秘书插话说刚收到一个电报。注: 以上用法的 break in 通常是不及物的,但有时也用作及物动词,带宾语,表示:训练某人,使某人适应。如:He is breaking in the new man as a machine operator. 我在训练那个新工人操作机器。Two weeks in the new office should be enough to break you in. 在新办公室上两星期的班便足以让你适应了。