O-2：of one's own accord 自愿的
A:It's said that you have helped a guy like Peter. Is there anyone who asked you to do so?
A:听说你帮了彼得那小子，有人让你这么做吗？
B:No. I did it of my own accord.
B：没有，我是出于自愿。
A:Don't you know he's a cheat?
A:你不知道他是个骗子吗？
B:I don't think he is as bad as that.
B:我认为他没有那么坏。
