If you want to talk about it, you can talk about it for a lifetime

说───say;一辈子───a lifetime

Why didn't she say a word? Is there anything in her mind that she finds it hard to disclose?───为什么她一言不发,是不是有什么难言之隐?

I'd say he is a man who has the least tincture of learning.───我认为他是一个最没有学术气味的人.

He is hypersensitive to what people say about him.───他对别人谈论有关他的事过于敏感.

I didn't say it intentionally.───我是无心说的.

What do these figures say?───这些数字说明了什么?

I wanted to say something, but her face quite put me off.───我本来要说几句, 但看到她的脸色,又没有勇气开口了.

Just say yes or no.───你干脆说“行”还是“不行”.

I'd like to say a few more words.───我还有几句话要说.

I don't know what to say.

I have no quarrel with what you say.

Let's go and say hello to him.

What you say is partly right.

I don't care what they say.