掩映

掩映	yǎn yìng	hidden from view / alternately hidden and visible / setting off each other
掩	yǎn	to cover up; to conceal / to close (a door, book etc) / (coll.) to get (one's fingers etc) caught when closing a door or lid / (literary) to launch a surprise attack
映	yìng	(bound form) to become visible (esp. on a surface or in perception)
映	yìng	old variant of 映