人们都知道不能空口说白话。

People know that you can't promise something for nothing.

某些人主张两性平等都只是空口说白话而已。

Some people only pay lip service to gender equality.

你必须用行动支持，不能空口说白话。

You must show your support by deeds, not words.

我说的都是实话，不是对你空口说白话。

What I'm saying is true. I'm not paying you lip service.

这不是空口说白话的应许，惟有历经患难，我们才能获得所需要的忍耐。

This is a promise in essence if not in form. We have need of patience, and here we see the way of getting it.