切断 cut off; switch off; turn out; key off; key out; shut off; break; cut-out; disconnect 切断敌人后路 cut off the enemy's retreat; 从底部或根部切断 sever at the bottom or root; 通电话时线路被切断 be cut off while talking by telephone; 切断电键 split key; 切断电路 clear the circuit; 切断电源 dump
断绝关系 break off all relations with ...; break off with sb.; cut off [break off] relation; have nothing to do with ...; repudiate any connection with ...; see the last of ...; sever connections [relations]; wash one's hands of 我发觉他对我说慌, 因此决定同他断绝关系。 i've found he lied to me, so i've decided to have done with him
断绝后患 remove seeds [the cause] of future troubles; dig up the roots of future troubles
断绝往来 break off one's acquaintance with sb.; break off friendly relations; cut off communication(s); sever friendship; stop [break off] intercourse 你和约翰那样的人断绝往来是明智的, 对于你他并不是一个好伙伴。 it will be advisable for you to drop an acquaintance such as john; he is not a good companion for you