expose one's chest and back
Bare chest, a Chinese idiom, Pinyin is t ǎ nxi ō NGL ù B è I, which means to open your coat and show your arms. From the romance of northern and southern history.
The origin of Idioms
Chapter 71 of CAI Dongfan's the romance of the history of the north and the South: "Zhan Yue growled and forced the maid of honor to deprive her of Li's clothes, make her bare her chest and back, and then beat herself with a whip."
Analysis of Idioms
Bare chest
Idiom usage
He is ill dressed. Zhang Xianliang's "habitual death" part 3: "in a naked Western lady, you are wrapped like a light tank."
expose one's chest and back
the gateway is thronged with horses and carriages - chē mǎ yíng mén
leave one 's native place and live as a vagabond - lí xiāng bèi jǐng