The ancients used "water" to express their feelings.

But since the water is still flowing, even though we cut it with a sword, sadness will come back, even though we drown them with wine.

Express the author's worries and anger.

If you don't see how the water of the Yellow River moves out of heaven, you will never return to the sea.

Reveal the author's negative emotions about life geometry when eating, drinking and having fun.

Peach Blossom Pond is deeper in thousands of feet than in Wang Lun.

Compare the preciousness of friendship to the depth of water. No matter how deep the water in Taohuatan is, it is not as deep as our friendship.