あとから聞いた話なんだけどの英語

the condition of having heard something before

I have heard that story.

Tell me what happened next.

I'll tell you exactly what I have heard.

I will tell you what I heard.

a story that one had heard before

I've heard a good deal about him.

Not again! I'm fed up with such stories.

That is what I want to know.

I have heard that story before.

A little bird told me that.

I told [repeated] the story just as I had heard it.

I heard the following story from a friend although it is somewhat dated.

a story heard for the first time

I have the news at first hand.

I was listening to that exchange a while ago.

His words struck me dumb.

These ears have heard it.

a new story

the act of asking repeatedly

I've heard enough of that.

That is by a long way the silliest story I have ever heard.

What is that to you?

This is what I have heard so far about that.

the contents of a firsthand account of something

a humble expression of 'hear'

I have also heard a similar story.

Who did you hear that from?

I heard it through [on] the grapevine.

That is new to me―news to me.