Is there a poem about nostalgia for the past?

1. and she sent him, by his messenger, a sentence reminding him, of vows which had been known only to their two hearts. -Bai Juyi's "Song of Eternal Sorrow"

Interpretation: When I leave, I politely ask the alchemist to leave, and send a message to the king, saying that only the king and I know the oath.

2. Hate is not as good as tide, and lovesickness begins to feel that the sea is not deep. -Bai Juyi's "Langtaosha"

Interpretation: After several lovesickness, I began to feel how deep the sea is. In fact, it is not deep, because the sea is not as deep as my lovesickness for you.

3, overlapping tears and sealed inscriptions, life is only difficult to die. -Wen Tingshi's

Interpretation: Although a woman is left out by her husband day and night and cries till dawn, she can only express her inner bitterness by letters, but love is still her only pursuit and yearning. The love in her heart is not dead. How can she see her deep love for her husband with a single love word?

4. and the silk-worms of spring will weave until they die, and every night the candles will weep their wicks away. -Li Shangyin's Untitled

Interpretation: Spring silkworms don't spit out their silk until they cocoon and die, and wax oil like tears can only drip dry when candles are burned to ashes.

5. Shen Yan, a fish, traveled all over the world, and only then did he believe that human beings were separated from each other. -Dai Shulun's "Love Song"

Interpretation: When the fish dies, the geese can no longer find it; I've been away for a long time, and I can't get any news. I didn't understand the pain of parting until I lost it.