on the brink of例句

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。

I repeat that medicine is on the brink of a revolution.
我要再次强调，医学面临着变革。