鲜为人知
HSK 7-9little known; rarely known
Examples
鲜为人知的事实
Little-known fact
他有鲜为人知的一面
He has a little-known side to him
这段历史鲜为人知
This history is little-known
little known; rarely known
鲜为人知的事实
Little-known fact
他有鲜为人知的一面
He has a little-known side to him
这段历史鲜为人知
This history is little-known