I say

I must tell you that I mean what I say.

我得告诉你,我说话是算数的.

"It's open season on smokers," I say.

“现在是可以对烟民自由开炮的时期。”我说道。

When did I say so?

这话我多会儿说来?

When I say don't eat sweets, I have your health at heart.

当我说你别吃糖果时, 我是关心着你的健康.

I'm a good cook, though I say it myself.

我并非自夸，我的厨艺的确高超。

I say this under correction.

对我说的话请予以指正.

I say this without vanity.

我这样说并不是虚夸.

He never regards what I say.

他从来不重视我的话.

You never regard what I say.

我说的话你从不重视.

Do you doubt what I say?

你怀疑我说的话 吗 ?

When I say the word, follow me down.

我一发话，就跟着我下来。

That was sporting of him. Or should I say cowardly.

他风格真高。或者我是否应该说他很懦弱？

I say his behaviour is somewhat -- you know what I mean.

我说他的所作所为也太那个了.

When I say that the boys are lazy, I except you.

我说男孩懒惰, 并不包括你.

When I say " come quickly ", the operative word is " quickly ".

我说 “ 快来 ”, 关键的字是 “ 快 ”.