one in a million
成語所屬單字million
one in a million — 慣用語
1. a very special, rare, or exceptional person or thing that is unlike any other.
1.慣用語
釋義
百萬分之一；獨一無二
a very special, rare, or exceptional person or thing that is unlike any other.
例句
My grandmother is truly one in a million — she always knows how to cheer me up.
This old watch is one in a million; I have never seen another like it.