n.事后聰明，后見之明；槍的照門

Hindsight is always better than foresight. 后見之明總勝于先見之明。

Twenty-twenty hindsight can have tremendous value if you accept the hard-won wisdom and move on with life and love. 當(dāng)你吸取了來之不易的教訓(xùn)，在生活和情路上繼續(xù)前行時(shí)，后見之明會(huì)體現(xiàn)出巨大的價(jià)值。