开河

开河	kāi hé	to open a river / to dig a canal / to thaw (of river)
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
河	hé	river (CL:条,道) / (bound form) the Yellow River / (bound form) the Milky Way / (bound form) (on restaurant menus) rice noodles 河粉