He dreams of becoming a boxing champion one day.

他梦想有一天成为拳击冠军。

Where were you a boxing champion?

你在哪儿拿的拳击冠军？

As a young man he became a boxing champion.

在年轻的时候，他成为拳击冠军。

The young man kicked against the pricks by challenging a boxing champion to a contest.

那年轻人向一位拳击冠军挑战,简直是以卵击石.