不惑之年 [－－－－]

Jyutping bat1 waak6 zi1 nin4
Pinyin bù huò zhī nián

Definitions (CC-CANTO)
  1. the years where one can make wiser decisions, which usually refers to decade commencing when one reaches 40 years old
Definitions (Wiktionary)
  1. phrase, idiomatic
    forty years old
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）