開弓不放箭

lit. to draw the bow without shooting the arrow (idiom) / fig. to bluff / to be all talk and no action / false bravado

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

a bow (weapon) / CL:張|张[zhang1] / to bend / to arch (one's back etc)

no; not so / (bound form) not; un-

to put / to place / to release / to free / to let go / to let out / to set off (fireworks)

arrow / CL:支[zhi1]