1、We'll try to prevail on him to accept the invitation.
2、The committee hoped to prevail on them to endorse the proposal.
3、May I prevail on you to make a speech after dinner ?
4、Notwithstanding, my journey homeward was sadder than my journey thither; and many misgivings I had, ere I could prevail on myself to put the missive into Mrs Linton's hand.
