dręczące podejrzenie

He had a nagging suspicion that this was not a business meeting, though.

These days, the pride he takes in having created himself must battle the nagging suspicion that everything is futile.

The nagging suspicion that actually things would only get worse.

I had the nagging suspicion there were too many jobsworths.

But there were also some damaging revelations that left nagging suspicions.

He had a nagging suspicion it was something very simple, however complex its articulation on the boards might be.

It was also the faint, nagging suspicion that someone had gone through her briefcase.

Until quite recently, I think, he only had a nagging suspicion and was taking care.

But deep inside me there was a nagging suspicion that I have been wrong.

"That's one of the nagging suspicions I had in the back of my head."