开 Traditional: 開 kāi ㄎㄞ 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) away off directional complement carat (gold) Where 开 is used Example sentences and grammar articles using 开 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0