From a variety of motives, they persistently call for governmental power to be curbed.

"These birds would call persistently and fly in an undulating fashion towards the colony," the report said.

They pulled the tiny pin of the antenna out and kept calling persistently.

Ms. Kahn, for instance, persistently called Mr. Scheck "Mr. Schecht," even after he corrected her pronunciation.

The first syllable of his surname is pronounced "Wise", but Sir Humphrey and Bernard persistently call him "Weasel".

But she persistently calls back, forcing him to take the phone off the hook.

Some media commentators persistently call Brixton "the drugs capital of London".

He persistently called at her home, sent letters and made phone calls.

He called persistently for his old schoolmaster to beat him.