The poor man beat his boss by means of Dutch courage.

那个可怜的人借酒劲打了他的老板.

Try to avoid dutch-courage such as using alcohol to boost your courage levels as this will often backfire.

不要借助外力来壮胆，如酒精等，通常这个事与愿违。

The football team filled with dutch courage and ready to face its opponent.

这支球队逞一时虚勇，准备好面对她的对手了。