break up表示“打碎”、“变坏”、“分解”、“终止”、“破裂”。

　　break down表示“瓦解”、“分解”、“失败”、“出故障”、“破坏”、“拆毁”。

　　break out表示“爆发”、“突然发生”。

　　break into表示“强行进入”、“闯入”、“破门而入”、“打断(谈话、讨论)”、“突然……起来”。

　　break in表示“闯入”、“打断”、“插嘴”，其中in是副词。

　　break away表示“脱逃”、“脱离”、“突然离开”、“革除”、“戒除”，常与from连用。

　　break through表示“战胜”、“突围”、“穿过……而出现”、“突破”。

　　[练]

　　①He said his computer _____.

　　②Those old cars will be ____ for scrap(废铁).

　　③Last night somebody ____ Mr Brown's house and took away many things.

　　④A fire ____ after we had gone home.

　　⑤The boy often ____ while his parents are speaking.

　　⑥You must ____ from bad habits.

　　⑦After the heavy rain the sun ____ the clouds.

　　⑧A thief ____ and stole a lot of things last night.

　　⑨Tom ____the motor bike which he bought five years ago.

　　⑩The ice began to ____ on the river.

　　(Key: ① had broken down ②broken up ③broke into ④broke out ⑤breaks in

　　⑥break away ⑦broke through ⑧broke in ⑨broke down ⑩break up)