拆开

拆开	chāi kāi	to dismantle / to disassemble / to open up (sth sealed) / to unpick
拆	chāi	to tear open / to tear down / to tear apart / to open
开	kāi	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