Don't just talk the talk, you have to walk the walk.
不要光说,还要行动(说到做到)。

Walk the talk.
言行一致。

So let's get the ball rolling.

让我们开始吧。

An apple a day keeps the doctor away.

一天一苹果,医生远离我。

She is rich but not happy.

她有钱但是并不快乐。