露天

outdoors / al fresco / in the open

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

day / sky / heaven

to divulge the will of heaven (idiom); to leak a secret / to let the cat out of the bag

open-air repository / open-air depot

open-air amphitheater

a slogan used in reference to a project to improve greenery in some parts of Northern China