a situation in which agreement in an argument cannot be reached because neither side will change its demands or accept any of the demands of the other side

Somebody will have to compromise if we are to break (= end) the deadlock between the two warring factions. 如果我们想打破争斗派别的僵局就必须有人作出妥协。

Once again the talks have ended in deadlock. 谈判再次以僵局告终。

Deadlock over wage levels has prevented an agreement being reached. 在工资水平问题上的僵持不下阻碍了协议的达成。

a lock that is inside the edge of a door, so that it cannot be seen or removed when the door is closed