Definition
Understanding a situation only after it has occurred.
事后以明智的眼光回顾。
With the wisdom of hindsight, I should have bought their stock before the company went public.
以事后之明来看，我应该在公司上市前购买他们的股票。
With the wisdom of hindsight, she should have quit that job sooner.
以事后之明来看，她应该早点辞掉那份工作。
With the wisdom of hindsight, the decision was clearly a mistake.
以事后之明来看，这个决定显然是个错误。