Fish letters and wild geese letters
Yu Shu Yan Xin, a Chinese idiom, Pinyin is y ú sh à y à nx à n, which means letter in general. From Yongxi Yuefu, pomegranate flower in ancient tune, boudoir thoughts.
The origin of Idioms
Yongxi Yuefu, pomegranate flower in ancient tune, boudoir thought: "if you are always sad to leave, then the letters from the fish to the wild goose are cold and clear, and there is no trace."
Idiom usage
Used as an object or attribute; used in writing.
Fish letters and wild geese letters
there are too many things for the eye to take in - mù bù xiá jǐ
in the beginning of the heaven and the earth genesis - tiān zào cǎo mèi