这是他的错，不怨你。

You are not to blame; it is his fault.

《新英汉大辞典》

我一直在责备你，可这是他的错！

I 've been blaming you, but it' s his fault.

youdao

他不承认这是他的错。

He denied this to be his fault.

youdao

I can't count correctly, 1, 2, 3, 4, 5, 6, is he actually the center guy here?

我可能数错了,123456,他是这行最中间的那个人吗

耶鲁公开课 - 博弈论课程节选