break off ,break in 都有打断的意思 也几个例句吧

break off 折断；突然停止,暂停
break in 打断；闯入；训练；使逐渐习惯
1.break off :
Let's break off for a cup of coffee.
现在休会,大家喝杯咖啡吧.
He would not break off negotiations by a sharp denial .
他不会断然拒绝对方的要求而打破谈判.
Hamas,triumphant at the turn of events,has urged the authority to break off the talks.
哈马斯在事态转变中胜出,并敦促当局中止会谈.
2.break in :
For a long period of time and in many parts of the country,a traveler was a welcome break in an otherwise dull existence.
过去很长的一段时间内,在美国很多地方,旅行者的到来因暂时打破了本地人原本的单调生活而受人欢迎.
Don't break in when he is telling the story.
他讲故事的时候,别打断他.
call in 召集；召来
call for 要求：；需要；必需：
1.call in :
Yes.Did you call in advance?
可以,你事先打过电话了吗?
Banks may call in loans,or refuse to roll over short-term credits.
银行可能会要求清偿贷款,或者拒绝将短期信贷延期.
Molly,my mother once gave me a special number to call in case of an emergency.
莫莉,我妈妈曾给了我一个特殊的号码,让我万一遇到紧急事件时,就拨打它.
2.call for :
For overseas markets,the process may call for a modified product.
在海外市场,这一过程有时要求对产品进行改进.
The instinctive response of legislators everywhere is to call for installing screens over engine intakes.
各地立法人员的本能反应是,要求在发动机入口处安装遮蔽物.
Apart from new stadiums and other sports facilities of all kinds,the plans call for new bridges and roads,and a doubling in the number of hotel rooms.
除了兴建新体育场和其它各种运动设施外,这些计划还需要兴建新的桥梁和道路,旅馆房间数目更要加倍.