convince的用法和辨析

　　3)Doyou think she would be prevailed on to go backwith us.

　　你看我们能不能劝她与我们一起回去?

　　4)Doyou think they could be prevailed upon to accesptthese terms?

　　你觉得有可能说服他们接受这些条件吗?

　　5)May Iprevail on you to make a speech afterdinner?

　　可以请你在用餐后讲几句话吗?

　　6)No one but you can prevailupon her to change her mind on thematter.

　　除了你没有人能说服她在这件事情上回心转意。