verb, noun · to line a garment or wear something against the skin; an inner layer

这件外套里面衬了一层薄棉。

verb · to contrast with or act as a foil to enhance something's appearance

蓝天衬着洁白的云朵。

verb · to provide financial assistance or support

这件红色的旗袍里面衬了一层柔软的白色丝绸。