suī / rán / shì / tóng / shì / dàn / tā / men / xìng / gé / bù / tóng / jīng / cháng / huà / bù / tóu / jī

虽然是同事，但他们性格不同，经常话不投机。

Although they are colleagues, their personalities differ, and they often cannot have a congenial conversation.