表达 “sadder but wiser” 用来谈论 “从一个非常痛苦或悲伤的经历中学到一些东西”，就是所谓的 “经一事，长一智”。

• We had a bad time in our relationship, but we got through it sadder but wiser. We will never argue about money again.
  我们的关系经历过低谷，但经一事，长一智。我们不会再为了钱财而争执了。
• After that argument, I was sadder but wiser. Some people will never change.
  自从那次争论之后，我算是经一事，长一智。我明白了有些人就是本性难移。
• After the economic downturn, we were left sadder but wiser. There will now be rules to stop banking malpractices in the future.
  在经历了经济低迷之后，我们吃一堑，长一智。现在将有规章制度防止银行业的不法行为再次出现。