the school of hard knocks (de sukūru obu hādo nokkusu)

Idiom Learning

意味

learning through difficult experiences in life

人生の厳しい経験を通じて学ぶ (jinsei no kibishī keiken o tsūjite manabu)

例文

"He didn’t go to college, but he learned from the school of hard knocks."

"彼は大学に行かなかったが、ハードノックスの学校から学んだ。" (Kare wa daigaku ni ikanakatta ga, **hādo nokkusu no gakkō** kara mananda.)