wash (sth) off

(cause sth to) be removed from the surface of a material, etc by washing （使某物）被冲洗掉: Those grease stains won't wash off. 这些油迹洗不掉. * Please wash that mud off (your boots) before you come in. 请你先把（靴子上的）泥洗掉再进来.

warn, warn sb. of, warning, warp, warrant, warrant-officer, warranted, warrantee, warrantor, warranty, warren, warrior, warship, wart, wart-hog, wartime, warty, wary, was, wash, wash basin, wash out (of a dirty mark), wash over sb, wash sth down (with sth), wash up, wash-cloth, wash-day, wash-drawing, wash-leather, wash-out, wash-stand, wash-tub, washable, washboard, washed out, washed up, washer, washing, washing-machine, washing-powder,