nagged

It was not long before the spectacle of the London Marathon captured his imagination and he nagged his parents to help him peer over the barriers for a closer look at the elites.

The burden had lifted, never again would we be able to ask the questions that had nagged him for more than a decade.

Finally, she asked the question that had nagged at her since Mother told her about the fire.

Mrs. Cranston nagged Mr. Cranston until he had one of the new telephones installed under the front staircase, where it rang its head off.

But the question of what exactly the brief exchange was all about nagged at me for the rest of the day.