Spring in the teeth
Chinese idiom, Pinyin is ch ǐ y á ch ū ns è, which means laughing heartily. It's from Qing Yi Lu: function.
Idiom usage
I can't forget his teeth.
The origin of Idioms
Tao Gu, Song Dynasty, wrote in the book "Qing Yi Lu · function": "Lou Shi's virtue is high, but his nature is broad, and he is especially good at laughing. It is said that the teacher's moral smile is the color of spring. "
Spring in the teeth
lush southern-type fields north of the great wall - sāi shàng jiāng nán
serialize the process of production to make it complete - pèi tào chéng lóng
break the cauldrons and sink boats - chén zhōu pò fǔ
rein in on before it is too late - xuán yá lè mǎ