I'll thump you if you say that again.

你若再说这话，我就把你揍扁。

《牛津词典》

I'll box your ears if you say that again.

如果你再说那样的话，我就打你的耳光。

youdao

If you say that you do not consent, Firefox will not do anything.

如果你不同意，那么Firefox就什么都不会做。

youdao

And,if you are a very good person, I would even say that you have a heart of gold.

VOA: special.2010.07.11

And if they can't answer that question, I say well, before you even run it, have an answer to that.

如果他们没法回答这个问题的话，我会说好吧，在你运行实验之前，先回答这个问题吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.

但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。

麻省理工公开课 - 固态化学导论课程节选

Very few people will challenge you if you say that the world seems to be changing faster and faster.

FORBES: Thoughts On The Changing World Around Us

Moreover, if you say that it is based on the Sunnah, I can say that how to depend on Sunnah in this regard.

CENTERFORSECURITYPOLICY: Islamonline confirms stoning basis in Shariah

But I think it is a legitimate criticism to say, if you say that all of it is going to be on C-SPAN, all of it is going to be on C-SPAN.

WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire