New Valley in May
Selling new rice in May refers to selling new rice in advance before it is ripe in May. The metaphor is very poor.
essential information
The idiom "selling new rice in May" is pronounced as "selling new rice in May". The metaphor is very poor.
source
Nie Yizhong's poem "Ode to Tian family" in Tang Dynasty: "sell new silk in February, sell new Valley in May; cure sore in front of eyes, gouge out heart flesh." His family is very poor.
New Valley in May
dragons and snakes follow one 's writing brush -- good penmanship - bǐ dǐ lóng shé
have talent but no opportunity to use it - lóng pán fèng yì