I'll have to extract a promise from you, I think.

She would certainly extract a promise from him to have nothing to do with dolphins ever again.

He's already tried to extract a promise from you to meet again later in the evening or before his flight tomorrow.

He clung to life long enough to extract certain promises from his son.

Vanessa had extracted a promise from her that she would be a good girl.

It was a very simple matter to extract a promise from Dirk, he had made this particular one before.

He could have used the spending to extract a promise that the Council would approve the budget.

So, having extracted a promise of absolute secrecy, I told her everything.

Caroline agreed, but extracted a promise from her husband that this would be their last move.

"First I extract a promise from you that there will be no more stunts like today."