to begin; to start; to set in motion; to initiate (an action, term, or schedule)

(directional result) used after a verb to indicate moving away, spreading out, or making room, meaning "away" or "off"

to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open

to drive; to pilot; to operate (machinery); to turn on (a light, appliance, or water)

to set up; to found; to open (a business, shop, or account)

to dismiss; to fire; to expel

to hold or conduct (a meeting, event, or exhibition)

to write out; to issue (a receipt, check, prescription, or invoice); to list

to pay (wages, expenses, or costs)

to reclaim (wasteland); to open up (land for cultivation); to develop (resources)

to boil (of liquids)

(directional result) used after a verb to indicate the start and continuation of an action

(unit of weight) carat; gold purity unit based on 24 parts

(unit of measurement) size of a book page or paper, indicating a fraction of a full sheet

(abbreviation) kelvin (unit of temperature)

a Chinese surname

used between digits to express a ratio between the two parts (e.g. 三七开 sān​qī​kāi for 3:7)

to lift or remove (a ban, restriction, or prohibition)