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
local / regional / district (not necessarily formal administrative unit) / region / area / as suffix to city name, means prefecture or county (area administered by a prefecture-level city or, county-level city) / CL:個|个[ge4]