拧开

to unscrew / to twist off (a lid) / to turn on (a faucet) / to switch on (by turning a knob) / to turn (a door handle) / to wrench apart

to pinch / wring

mistake / to twist

stubborn

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