He is always contradicting me.

他总是顶撞我。

He was contradicting himself in what he said.

他说的话前后矛盾。

Don't you think you are contradicting yourself?

你不认为你在自相矛盾吗？

Paul, then, would seem to be contradicting Christ.

这样，保罗似乎否认了基督。

This is often contradicting with their parents' opinion.

这经常和父母的意见相左。