The horse is on the hay
Sima Yangmo, a Chinese idiom, is s ì m ǎ y ǎ NGM ò in pinyin, which means that the driving horse stops and looks up to listen to the sound of the piano. Music is beautiful. It comes from Xunzi's persuasion.
Idiom usage
Used as an object or attribute; used in writing
The origin of Idioms
It is said in Xunzi's quanxue that "in the past, Huba played drums and harps while the fish went out to listen, Boya played drums and harps while the horses were feeding." Yang luozhu: "look up and forage, listen to its voice."
The horse is on the hay
It's easy to hide an open gun, but hard to defend a hidden one - míng qiāng yì duǒ,àn jiàn nán fáng
yield twice the result with half the effort - shì bàn gōng bǎi