open to the view of all; spacious; to open wide; to disclose

to open (transitive or intransitive); (of ships, vehicles, troops etc.) to start; to turn on; to put in operation; to operate; to run; to boil; to write out (a prescription, check, invoice etc.); (directional complement) away; off; carat (gold); abbr. for Kelvin, 开尔文; abbr. for 开本, book format

to open; to show (a ticket); to turn on; to switch on

to drive a car (or train etc.); (slang) to post sexual content online; to make a sexual joke

to depart; to leave

to feel happy; to rejoice; to have a great time; to make fun of sb

to begin; beginning; to start; initial

to open wide; unrestrictedly