你说笑起来的我最好看你说哭起来的我最傻气
[nĭ shuō xiào qĭ lái de wŏ zuì hăo kàn nĭ shuō kū qĭ lái de wŏ zuì shă qì]
It translates to 'You said my smile was the most beautiful; but then my tears look foolish'. It conveys mixed emotions of how appearances can shift dramatically in someone's eyes.