我学不来你的微笑我学不会你的哀伤
[wŏ xué bù lái nĭ de wēi xiào wŏ xué bù huì nĭ de āi shāng]
Expresses a challenge in mimicking or understanding both the joy (smiles) and pain (sorrow) experienced by another individual, signaling an inability to fully connect on an emotional level.