除开

除开	chú kāi	besides / except / to get rid of (sb) / (math.) to divide
除	chú	to get rid of / to remove / to exclude / to eliminate / to wipe out / to divide / except / not including
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