n.(悬崖峭壁的)边沿,(危险的)边沿,边缘,初始状态
They sparred for a moment, on the brink of a full fight.
他们互相推搡了一会儿,眼看就要大打出手了。
The club are on the brink of promotion to the Premier League.
俱乐部即将晋级超级联赛。
The Russian peasantry stood on the brink of disappearance.
俄罗斯农民濒临消亡。