苦にがい経けい験けん

expression, noun

bitter experience

Refers to a painful, unpleasant, or regrettable experience that leaves a lasting negative impression, similar to a bitter taste.

• 彼かれは若わかい頃ころの苦にがい経けい験けんを語かたった。

  He talked about a bitter experience from his youth.

• その失しっ敗ぱいは私わたしにとって苦にがい経けい験けんとなった。

  That failure became a bitter experience for me.