After an event or situation has already happened. 事情发生之后 Bob only realized he had been scammed after the fact. 鲍勃只是在事后才意识到他被骗了。 Why are you always telling me how to do things after the fact? 为什么你总是在事后才告诉我该怎么做呢? I see your point, but don't you think it's way after the fact. 我明白你的意思，但你不觉得这太“事后诸葛亮”吗?