(especially of hair, clothes, or shapes) smooth, shiny, and lying close to the body, and therefore looking well cared for; not untidy and with no parts sticking out(尤指头发、衣服)平滑发亮的,整洁的;(外形)线条流畅的
The cat had sleek fur.那只猫的皮毛油光发亮。
Who owns that sleek black car parked outside your house?停在你房子外面的那辆造型优雅的黑色汽车是谁的?
disapprovingHe's one of those sleek (= seeming rich and dishonest) businessman types.他是那种很滑头的生意人。