I'll be more careful about what I say.

我会更注意我说的话。

I hope you will pay attention to what I say.

我希望你会注意我说的话。

That's what I say to you.

我明明教过你的。

You must mind what I say.

你必须留意我说的话。

How do, what I say calculates.

怎么做，我说的算。

No harm, no foul, is what I say.

就像我说的，没有伤害，没有犯规。

What I say and do is helpful for you.

我所说的和做的对你是有帮助的。

So here's what I say to teenagers.

因此，这里我要对年轻人说：

But I’d better be careful what I say! [laughs]

我最好小心我当前正在说的了！

Gusteau: You know what I say. Anyone can cook.

古斯特：你知道我说过的话，人人都能当厨师。