What do you think were some of the more persuasive arguments on the other side?.

你认为对方哪些观点更有说服力？

I can be very persuasive when I want to be.

如果我愿意的话，我会非常有说服力的。

Michael Grade's persuasive powers overcame their objections.

迈克尔·格雷德能言善辩，驳倒了他们的反对意见。