你笑着对我说我们只是朋友
[nĭ xiào zhe duì wŏ shuō wŏ men zhĭ shì péng yŏu]
This means 'You smiled at me and said we are just friends.' It describes a moment when someone smiles while delivering a message that can be heart-wrenching for the listener, signifying the end of romantic hope.