不ふ惑わく

noun

age forty; past forty; the age of discretion

Literary or formal term for the age of forty, originating from Confucius's saying that at forty one is no longer perplexed. Often used in congratulatory contexts or to refer to middle age with a sense of maturity.

• 彼かれは不ふ惑わくの年としを迎むかえた。

  He reached the age of forty.