Translation of "hangovers" into Chinese

I'm trying to get rid of this hangover!

我 在 尝试 治 宿醉 的 头疼 呢 !

That outdated definition of an amateur is a hangover from the days when athletics were the pastime of the independent rich.

业余运动员一词的定义已属过时,它乃是富豪以运动为消遣的时代遗物。