at daggers drawn
US /æt ˈdæɡərz drɔn/
UK /æt ˈdæɡərz drɔn/

1.
势不两立, 水火不容
if two people are at daggers drawn, they are very angry with each other and are ready to fight
:
•
The two political parties have been at daggers drawn for years.
这两个政党多年来一直势不两立。
•
After the argument, they were at daggers drawn and refused to speak to each other.
争吵之后,他们势不两立,拒绝与对方说话。