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, 開爾文|开尔文[Kai1 er3 wen2], abbr. for 開本|开本[kai1 ben3], book format
(bound form) tip; end; extremity, (bound form) aspect; facet, (bound form) upright; proper, to hold sth level with both hands; to carry, to eliminate; to wipe out