fēng shuāng
wind and frost
fig. hardships
bǎo jīng fēng shuāng
weather-beaten
having experienced the hard ship of life
bù jīng yī fān fēng shuāng kǔ , nán dé là méi tǔ qīng xiāng
Without once passing through the winter's cold and wind, where would the sweet spring fragrance come from?