Unit 4 Astronomy：The science of the stars
break down 出故障；（計劃等）失敗；（身體、精神等）垮掉
break in 破門而入，闖入；打斷（話語）等
break into 破門而入；突然……起來
break off 折斷；突然中止；斷絕；結束
break through 突破
break up 敲碎；放假；散會
易混辨析
come about/happen/take place/break out/occur
come about 發生，相當于happen, take place。后面不可以接賓語，也不可以使用被動語態。
happen 強調偶然發生。
take place 指按計劃、安排發生；舉行
break out 多用于指戰爭、火災、疾病、疫情的突然爆發。
occur 常用于句式： sth. occurs to sb. 某事發生在某人身上。
高手過招
用break相關短語的適當形式填空 （原創）
①a terrible tsunami in the southeastern countries of asia at christmas, .
②when do you for christmas?
③negotiations between the two sides have .
④his house was last week.
答案：①broke out②break up③broken down④broken into
12. block out
擋住（光線）
that wall blocks out all the light.那堵墻把光線都遮住了。
聯想拓展
burst out 大聲喊叫;突然……起來
go out 外出；過時；熄(燈)
put out 關(燈)；撲滅；生產
come out 出現，顯露；出版;結果是
help out 幫助解決難題(或擺脫困境)
look out留神；注意
watch out 注意；提防；向外看
find out 找出，查明，發現
pick out挑出;辨認出，分辨出
speak out 大聲地說;大膽地說
think out仔細思考(某事)；想出（主意等）
hang out 掛出;閑逛
knock out (拳)擊中，擊倒，打昏
sell out 售完(某種貨物)，脫銷
turn out 結果證明是
run out (of) 用完，耗盡
check out 結賬離去，辦妥手續離去
give out 分發（試卷等）；發出（光、熱等）；用盡；耗完；筋疲力盡
高手過招
用out相關短語的適當形式填空（原創）
①at the end of the race his legs and he collapsed on the ground.
②it’ s easy to him in a crowd because he is very tall.
③his new book will next month.
④we thought it was going to rain; it to be a fine day.