fēng huà
decency
public morals
to weather (rocks)
wind erosion
chūn fēng huà yǔ
lit. spring wind and rain (idiom); fig. the long-term influence of a solid education
fēng huà zuò yòng
weathering (of rocks)
erosion (by wind etc)
fēng huà qū
see 紅燈區|红灯区[hong2 deng1 qu1]