感情再美只是戏歌词再好只是曲
[găn qíng zài mĕi zhĭ shì xì gē cí zài hăo zhĭ shì qŭ]
It means that no matter how beautiful a love relationship might be, it's just like a play. Similarly, no matter how touching the lyrics may be, they're just part of a song, suggesting the ephemeral nature of emotions.