learn the hard way

意思

to find something out through your own mistakes

從自己的錯誤中吸取教訓.

例句

1. 1I learnt the hard way that cheap shoes don't last.
2. 2Many new drivers learn the hard way that parking fines are expensive.
3. 3Ben learnt the hard way to back up his work after losing a whole essay.
4. 4Never lend money to friends without writing it down; I learnt the hard way.
5. 5Why do some people only learn the hard way, even when everyone warns them?

文法

learn 是規則動詞：learned，英式英語也用 learnt。學到的內容常用 that 子句接在後面。