tā / suī / rán / zuǐ / shàng / shuō / méi / guān / xi / xīn / lǐ / què / yì / zhí / duì / nà / cì / wù / huì / jiè / huái

他虽然嘴上说没关系，心里却一直对那次误会介怀。

Although he said it was fine, he continued to feel troubled by that misunderstanding.