千載難逢 qiān zǎi nán féng

extremely rare (idiom); once in a blue moon

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. extremely rare (idiom)
  2. 2. once in a blue moon

Characters

Character Meaning
thousand; see qiū qiān
to carry; to load; to convey
difficult; difficult (to...); difficulty
to meet by chance; to come across