鲜为人知 xiǎn wéi rén zhī

DEFINITIONS

  1. rarely known to anyone (idiom); almost unknown
  2. secret to all but a few

CHARACTERS

鲜 xiǎn fresh; delicious; attractive
为 wéi do, handle, govern, act; be
人 rén man; people; mankind; someone else
知 zhī know, perceive, comprehend