tā / suī / rán / zuǐ / shàng / mà / wǒ / shì / chǔn / lǘ / qí / shí / shì / zài / gēn / wǒ / kāi / wán / xiào

他虽然嘴上骂我是蠢驴，其实是在跟我开玩笑。

Although he called me a silly ass, he was actually joking with me.