To sever something means to cut completely through it or to cut it completely off.
例句
Richardson severed his right foot in a motorbike accident.理查森在一次摩托车事故中失去了他的右脚。...oil still gushing from a severed fuel line.石油仍然从被切断的燃料运输管中喷涌而出
VERB
(突然)断绝,中断(关系)
If you sever a relationship or connection that you have with someone, you end it suddenly and completely.
例句
She severed her ties with England...她断绝了和英国的往来。He was able to sever all emotional bonds to his family.他切断了和家人的所有感情纽带。
英汉词典释义
vt.
切断;断绝
sever a relationship断绝关系She wanted to sever all her connections with the firm.她想断绝和那家公司的所有联系。We have severed diplomatic relations with that country.我们与那个国家断绝了外交关系。
英英词典释义
Verb
1. set or keep apart;
"sever a relationship"
2. cut off from a whole;
"His head was severed from his body""The soul discerped from the body"