He goes on at wearying length about possible vice presidential candidates.

Mother and her friends went on at great length about their deep feelings for all the problems around them.

Letters went back and forth, at great length.

"It's very easy for the jury to forget all the details we went over at great length."

"We'll go into it at greater length some other time," said Sparrow.

Thariinye went on at great length about his importance in different organizations and families.

We'll go over them at great length in the morning.

Kornan has gone on at great length on the subject.

Romney goes on at greater length but the jist seems to be: who knows?

It was a long time since Lowdham had let himself go at such length.