開場

to begin / to open / to start / beginning of an event

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

threshing floor / classifier for events and happenings: spell, episode, bout

large place used for a specific purpose / stage / scene (of a play) / classifier for sporting or recreational activities / classifier for number of exams

prologue of play / opening remarks / preamble (of speeches, articles etc)