可能同break, 分开，切开。

1. 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。

2. The club are on the brink of promotion to the Premier League.

俱乐部即将晋级超级联赛。

3. The Russian peasantry stood on the brink of disappearance.

俄罗斯农民濒临消亡。

4. The Prime Minister's fragile government was on the brink of collapse.

首相领导的脆弱的政府处在瓦解边缘。

5. The country was on the brink of an abyss.

国家岌岌可危。