马后炮的英文：
a belated action or advice; a belated effort

参考例句：

It is too late to come with the water when the house is Burnt down
马后炮

It is easy to be wise after the event
马后炮容易放

belated是什么意思：
adj. 迟来的，误期的

He made belated excuses.
他作了为时已晚的道歉。

His policies are now quite belated.
他推行的政策现已过时。

The gentleman who uttered the cries was evidently a belated Mormon
四点差几分，他们已经又回到了车站，他走进车厢，坐到原来的座位上。

action是什么意思：
n. 行动；作用；情节；战斗；诉讼；姿态

The soldiers are in action.
士兵们正在战斗。

rouse to action
使奋起，唤起某人采取行动

override action
超驰控制操作

advice是什么意思：
n. 劝告，忠告，建议；消息；通知

As it turned out, the advice was bad.
事实证明，这个主意极不高明。

Unpleasant advice is a good medicine
忠言逆耳利于行

Her advices are worth listening .
她的建议值得倾听。