开襟

buttoned Chinese tunic / unbuttoned (to cool down)

to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format

lapel / overlap of Chinese gown / fig. bosom (the seat of emotions) / to cherish (ambition, desires, honorable intentions etc) in one's bosom

cardigan