露水

dew / fig. short-lasting / ephemeral

surname Lu

to show / to reveal / to betray / to expose

dew / syrup / nectar / outdoors (not under cover) / to show / to reveal / to betray / to expose

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

to reveal one's talent (idiom)

perfumed toilet water / eau de cologne / floral water / hydrosol

one-night stand / ephemeral

a couple in a short-lived, improper relationship

casual romance / short-lived relationship

lit. to not show the mountain and to not reveal the water (idiom); fig. to hide the key facts