124　break away（from），break out，break up，break和crack

① break away（from）意为“放弃（习惯等），脱离（政党等），打破（陈规等）”。

You should break away from such habits. 你应该改掉这些习惯。

The thief broke away from the police. 小偷摆脱警察逃跑了。

It has broken away from the old rules. 它已打破了这些陈规。

② break out意为“（战争、火灾、疾病等）突然发生，爆发”，不可用于被动语态。

A fire broke out during the night. 夜里起了一场火灾。

The war broke out in 1938. 那场战争于1938年爆发。

She broke out crying. 她突然大哭起来。

③ break up意为“（活动、会议、学期等）结束，（友谊、婚姻等）破裂”。

The party didn't break up until midnight. 晚会直到午夜才结束。

The meeting broke up at eleven o'clock. 会议11点钟结束。

The school will break up next month. 下个月放假。

What broke up their marriage？什么使他们的婚姻破裂了？

The police broke up the fight. 警察结束了这场争斗。

④ break表示“（使）物体破裂成碎片或碎块”。

A vase fell off the table and broke into pieces. 一个花瓶从桌子上掉下来，摔成了碎片。

⑤ crack表示“（使）物体表面出现裂纹或裂缝，断裂”。

The ropes cracked under pressure. 绳索崩断了。

You can crack the stone but you cannot break it. 你能打裂这块石头，但不能打碎它。

His bone isn't broken；it's just cracked. 他没有骨折，只是骨裂。