严惩的英文：
grueling
gruelling
lower the boom on
trounce

参考例句：

The rebels must be harshly dealt with
造反者必须严惩。

Dangerous driving should be severely punished.
危险驾驶应受严惩。

He was scourged for tax evasion.
他因逃税受到严惩。

Punish(sb)severely;thrash
严惩(某人);痛打.

I hold no brief for severe punishment
我不赞成严惩。

Punish or treat sb severely
严惩或严厉对待某人.

The courts must bear down on young criminals.
法庭必须严惩青年罪犯。

The scoundrels who ran amuck will be severely punished.
横行无忌的歹徒将受到严惩。

Those who dare to appropriate public funds to their private use will surely be severely punished.
胆敢挪用公款者必将受到严惩。

Only when the profiteering officials are given severe punishment can bureaucratic profiteering be checked.
惟有严惩倒官，才能刹住官倒

grueling是什么意思：
n. 严罚;严惩
adj.繁重而累人的，使人精疲力尽的

congee; rice gruel; porridge
粥；稀饭

Gruel is convenient to make in the morning for breakfast.
吃早饭时，做稀粥是很方便的。

The presentation of future plans had been a grueling work
制定这些计划是一项令人精疲力竭的工作。

gruelling是什么意思：
n. 严罚;严惩

And getting paid for it is gruelling labour in itself.
而且这份工作本身就非常辛苦。

Mr Stocks can expect a gruelling week on the publicity treadmill.
斯托克斯先生可以预见下一周会被枯燥繁重的宣传工作搞得焦头烂额。

But the end to gruelling daylight abstinence and excessive night-time revelry is not the only relief.
但白天忍受禁食折磨晚上纵情狂欢的结束并不是唯一的解脱。

lower是什么意思：
adj. 下游的；下方的；在底部的；下级的，下等的
v. 放下，降下；减少，降低

rate lower; lower in value or esteem.
降低事物的等级；让事物的价值或声望下降。

He is a teacher of a lower form.
他是低年级的老师。

To lower in quality or character;debase.
使变得低劣降低质量或品格；贬低