none·such /ˈnʌnˌsʌʧ/
  無以匹敵的人
  None·such n. A person or thing of a sort that there is no other such; something extraordinary; a thing that has not its equal.  It is given as a name to various objects, as to a choice variety of apple, a species of medic (Medicago lupulina), a variety of pottery clay, etc.
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  nonesuch
       n : model of excellence or perfection of a kind; one having no
           equal [syn: ideal, paragon, nonpareil, saint, apotheosis,
            nonsuch]