monday morning quarterback字面意思星期一早晨的四分卫，引申为事后诸葛亮；马后炮。

【例句】
Your comment is really a Monday morning quarterback.
你这个评论可真是马后炮。

Stop acting like you knew it was going to happen. You are such a Monday morning quarterback.
别搞得像你事先知道这事会发生一样。你这完全是事后诸葛亮。