绝交的英文：
renouncement
split chums

参考例句：

Beck went plain crazy with anger on the day when he received his Dear John from his exgirlfriend.
贝克收到他女朋友的绝交信那天简直都气疯了。

To break off intercourse and cut the mat
绝交割席

Sever a friendship
与朋友绝交,终止友谊

To break off intercourse with wife’s relatives
妻党绝交

She wrote to her Boy friend a dear John letter yesterday.
她昨天给她的男朋友写了一封绝交信

renouncement是什么意思：
n. 放弃;否认;绝交

She renounced her stepmother.
她声明与继母脱离母女关系。

They renounced the agreement between us.
他们中止了与我们的协议。

She renounced her claim to the property.
她声明放弃她的财产权。

split是什么意思：
v. （使）裂开，分离；分担，分享；分割；（使）分裂；离开；揭发；增加发行
n. 裂缝；意见分歧；不同；一份；劈腿
adj. 裂开的；分裂的

They didn't crystallize, they split.
他们不是具体化，而是分裂。

The issue will split the Demoratic Party.
该问题会分裂民主党的。

Your coat has split at the seams.
你的上装接缝处裂开了。

chums是什么意思：
[ chum ]的第三人称单数

You see I would rather chum with the few mechanics there were in that station
你们看，我倒情愿与那站上的那几个机修工交朋友。

"Listen, old chum," Mel said
“听我说，好兄弟。”梅尔说。

The lodge-keeper had a son who was a chum of Master Grossjay's.
小屋看守人有一个儿子。他是克罗斯杰少爷最要好的朋友之一。