Sentences that describe disappointment and heartbreak include:

1. Hard work is the most pitiable to the sky and the moon. (Nalan Xingde's "Butterflies in Love with Flowers")

2. It is dusk and I am sad alone, with more wind and rain. (Lu You's "Divination") 3. Only dream souls can meet again, but it is a pity that dreams cannot be made by people. (Lu You) "Butterfly Loves Flowers") 4. Young people don't know the feeling of sorrow and fall in love with the upper floors. Falling in love with the upper floors, I force myself to express my sorrow in order to compose new words. ——Xin Qiji.