绝无仅有 jué wú jǐn yǒu

DEFINITIONS

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

CHARACTERS

绝 jué
HSK 4
to cut, sever, break off, terminate
无 wú
HSK 4
negative, no, not; KangXi radical 71
仅 jǐn
HSK 4
only, merely, solely, just
有 yǒu
HSK 1
have, own, possess; exist