Yihai enshan
Yihai enshan is a Chinese idiom. Its pinyin is y ì h ǎ I ē NSH ā n, which means that love is as deep as sea and kindness is as heavy as mountain. From the romance of the Western chamber.
The origin of Idioms
The fourth fold of the third volume of the romance of the Western chamber by Wang Shifu in Yuan Dynasty: "all the righteous sea and enshan of human beings have been made into distant water and remote Cen."
Idiom usage
Used as an object or attribute; used in writing.
Yihai enshan
Fill the pit and fill the valley - tián kēng mǎn gǔ
not for days [ merely ] or for months - bù rì bù yuè
keep one 's heart as hard as the nether millstone - xīn rú tiě shí
Mutual restraint and mutual aid - xiāng kè xiāng jì