畫龍點睛

To draw or paint; a picture or painting; to delineate; to sign or endorse; to terminate; to plan or design.

Chinese dragon; a mythical creature; emperor; dinosaur; a long, winding object; a type of synthetic fiber.

dot; speck; spot; to touch briefly; to tap; to mark; to select; to order food; to hint; to nod; a small amount; a bit; o'clock; classifier for small amounts

Eyeball; the pupil or the entire eye; often used in compound words related to vision.