be too young and unable to understand how people should behave
In Chinese, the Pinyin is sh à ob à g à ngsh à, which means little experience. It comes from the biography of Li Xiong in Sui Dynasty.
The origin of Idioms
"The biography of Li Xiong in the book of Sui Dynasty:" my son is few, but not many. "
Idiom usage
Subject predicate type; as predicate, object, attribute; with derogatory meaning [example] mother means Ru and his wife ~. Pu Songling, Qing Dynasty
Analysis of Idioms
Synonyms: fledgling, fledgling Antonyms: weather beaten, young and mature
be too young and unable to understand how people should behave
every house deserves a rank of nobility -- there are wise men everywhere - bǐ wū kě fēng