harp on
harp on about something
harp on the same string

You keep harping on who the men were in her life.

We should not be harping on where they are born.

We've been harping on this for years, but now it's getting serious.

They keep harping on danger as a way of getting more money.

So why the hell do I keep harping on it?

But the one reason they most like to harp on is their lack of passion.

Why do people keep harping on about Obama's lack of experience?

Talk shows in Pittsburgh harped on what was wrong with them.

Funny, the way those four notes keep harping on my mind.

That was a pretty different tune to the one she'd been harping on all day.

"But just between us, it's something our people love to hear about, and that's why I keep harping on it."

We are always harping on about consumer interests, well, here is one.

You have been harping on about this for quite a while and were obviously looking forward too it.

In a certain way, I feel it becomes more important to harp on these questions."

"For someone who says he's forgiven me, you sure as hell harp on our history together."

I wanted to know why he would keep harping on that, my absolutely private affair.

I really couldn't understand why he harped on this point so much.

"Everybody was harping on about security and I think they put everything into that.

Besides, I thought you wanted him to quit harping on his health.

"All year long, people have been harping on how we play baseball.

I do not think that we should harp on about principles during our discussion of the Budget 2001.

And that's because the media is always harping on it."

Nottingham was harping on a bit too much about playing himself.

It's one game at a time, and don't harp on the win.

Mother harps on the fact that she grew up poor."