承诺让我笑得如此凄凉
[chéng nuò ràng wŏ xiào dé rú cĭ qī liáng]
Translated as 'The Promise Makes Me Laugh So Sadly', this implies that a promise (likely from a relationship) brings both irony and sorrow to the user. The laugh is not one of joy but instead reflects heartache or disillusionment.