後あと知ぢ恵え

noun

hindsight; wisdom after the fact

Refers to the wisdom or cleverness one has only after an event has passed, often with a nuance of regret or irony. Commonly used in the phrase 後知恵を働かせる (to be wise after the event).

• 事じ故こが起おきてから安あん全ぜん対たい策さくを考かんがえるのは後あと知恵ぢえだ。

  Thinking about safety measures after an accident has happened is hindsight.

• 彼かれはいつも後あと知恵ぢえで物ものを言いう。

  He always speaks with the wisdom of hindsight.