He must have been a very annoying person because he saw it as his duty not only to play devil's advocate for any statement of fact presented to him, but to teach others to do it as well.
他一定挺令人讨厌的，因为他不仅对一切事实唱反调，而且还一以贯之地叫别人也这样做。
This is very annoying to the person to whom you're speaking;
对于你的谈话对方来说是一个很令人讨厌的行为；
This is very annoying to the person to whom you're speaking;
对于你的谈话对方来说是一个很令人讨厌的行为；
应用推荐