事后的英文：
after the event; afterwards

参考例句：

A post-mortem on the election defeat
对选举失败的事后剖析.

Pay no mind to the pro forma column of what the balance sheet will look like after the deal.
事后不要在意资产负债表上的预估一栏。

Lock the stable door after the horse has gone
"事后补救,为时已晚"

shotten herring
事后才懂得..

It is better to be safe than sorry
事后追悔不如事前稳妥

He was in a disturbed state of mind after learning this.
他得知此事后，忧心忡忡。

He has not been so mobile since his accident.
自从出事后他一直行动不便。

The afterthought is good, but forethought is better.
事后回想有益，事前考虑更佳。

The afterthought is good,but forethought is better.
事后回想有益，事前考虑更佳。

The key is to seek expert opinion before the die is cast as what is done cannot be undone.
听取意见最好在事前，不要在事后。

after是什么意思：
prep. 在…以后；在…后面；低于；模仿；尽管
conj. 在…之后
adv. 以后，之后；在后面，随后
adj. 以后的，后部的

After you, sir.
先生，您先。

Counsel after action is like rain after harvest
放马后炮

pattern oneself after
模仿样子

event是什么意思：
n. 大事，事件；项目；情况，结果

Event of great significance or violence similar to events in the Apocalypse.
巨大事件（具有重大意义的事件或大动乱,类似《启示录》中者）。

It's a oecumenical event.
那是一个世界性的盛会。

This is a capsule description of the event.
这就是关于那个事件的简要介绍。

afterwards是什么意思：
adv. 然后，后来

Afterward the servant will say:“There was no answer to that…”
后来这位仆人总是说:“我当时无言以对…”

But it seems so futile afterwards.
可是到后来就变得很琐碎。

A peeress by marriage afterwards intermarried with a commoner.
一个嫁给贵族而成为贵妇人的女子后来又与一个平民通婚(结婚)。