他们在高尔夫球场上总是互相较劲，这种行为真让人受不了。

Their constant ___one-upmanship on the golf course is really annoying.

在办公室茶水间的闲聊很快就变成了一场互相攀比的游戏。

The casual chat in the office break room quickly turned into a display of ___one-upmanship.