Lean and fat
It is a Chinese idiom. The Pinyin is Ji à OSH à Uli à NGF é I, which means relatively fat and thin. It's from "kite error · happy New Year".
The origin of Idioms
Li Yu of the Qing Dynasty wrote in his "kite error · New Year's greeting": "how ever did you see Hou men Jiao Li, who was thinner and fatter?"
Idiom usage
Used as predicate, attribute, object, etc.
Lean and fat
different hearts in different breasts—It's hard to tell what's going on in the minds of other people. or People should always be on guard against one another. - rén xīn gé dù pí
Respect the past and despise the present - guì gǔ jiàn jīn
melt like ice and break like tiles - bīng sàn wǎ jiě