tā / míng / zhī / dào / duì / fāng / bù / xǐ / huān / zì / jǐ / què / hái / shì / xiàn / rù / le / dān / xiāng / sī

他明知道对方不喜欢自己，却还是陷入了单相思。

Even though he knew the other person did not like him, he still fell into unrequited love.