一个人的承诺l俩个人的心疼l
[yī gè rén de chéng nuò l liăng gè rén de xīn téng l]
'One Person’s Promise And Two Persons’ Pain'. Often describes heart-breaking experiences such as one party in love makes promises while the other suffers greatly from the situation alone, or unfulfilled promise leads two persons to feel distressed over time. This implies deep affection, loss, or pain.