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
writing brush; writing implement (pen, pencil etc) (CL:支[zhi1],枝[zhi1]), brushstroke; stroke (in painting or calligraphy), (bound form) style of writing; literary manner; technique of brushwork, (classifier) stroke of a Chinese character, (classifier) sum of money; financial transaction; piece of business, (literary) to write (with a brush or pen)