「絕無僅有」

(pos:語句)
<explanation>
yue:#唯一；只有呢一個
eng:one and the only one; unique; rare
<eg>
yue:呢粒係世上絕無僅有嘅完美寶石。 (ni1 nap1 hai6 sai3 soeng6 zyut6 mou4 gan2 jau5 ge3 jyun4 mei5 bou2 sek6.)
eng:This precious stone is one of a kind. It's perfect!