絕無僅有 jué wú jǐn yǒu

DEFINITIONS

  1. one and only (idiom); rarely seen
  2. unique of its kind

CHARACTERS

絕 jué cut, sever, break off, terminate
無 wú negative, no, not; lack, have no
僅 jǐn only, merely, solely, just
有 yǒu have, own, possess; exist