1 general:: Phrase(s): It is easy to be wise after the event. Prov. After you see the consequences of a decision, it is easy to tell if the decision was good, but it is also too late, since the consequences have already happened. • Jill: I should never have invited Aunt Betsy to stay with me; I haven’t had a peaceful moment since she got here. Jane: Well, it’s easy to be wise after the event.
McGrawhill's American Idioms And Phrasal Verbs