烧开

烧开	shāo kāi	to boil
烧	shāo	to burn; to set on fire / to heat (over a fire); to boil (water, tea etc) / to braise / to cook; to prepare food / to run a fever / fever / (coll.) to become full of oneself; to get carried away
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