shàng cì wǒ wù huì le tā / shì hòu tā zhí jiē zhǎo shàng mén lái gēn wǒ lǐ lùn / wǒ cái zhī dào zì jǐ cuò guài le rén

上次我误会了他，事后他直接找上门来跟我理论，我才知道自己错怪了人。

Last time I misunderstood him, so he came straight to my door to argue with me afterwards, and I realized I had wronged him.