Leonard Lance, the Senate minority leader, is constantly fretting about the supposition that our descendants will work it out.

However, she did fret constantly about her average academic abilities.

She constantly fretted over her decision that terrible morning to get Richard to a safe place before working on him.

Washington frets constantly about the national security, but it's the national insecurity that needs worrying about.

I'm afraid something serious is about to happen, and I can't be constantly fretting about what you're getting into.

He fretted constantly about his poor health, yet lived to 90.

Strong, proud and angry, his heart fretted constantly against the Varlish yoke.

So do most Fijians, though they fret constantly these days about what the current situation will do to their nation's image abroad.

- And he fretted constantly about the promise he'd made to Carter.

He is constantly fretting himself about her fidelity.