依法严惩的英文：
be strictly punished according to law

strictly是什么意思：
adv. 严格地；完全地；确实地

This place strictly forbids to smoke.
此地严禁吸烟。

This year Halloween is strictly for the birds.
今年万圣节完全成了鸟的天下。

It's strictly a matter of preference.
这完全是个人的喜好。

punished是什么意思：
v. 惩罚；严厉对待；贪婪地吃喝

a just punishment(reward)
应得的惩罚（报酬）

He was punished for copying.
他因抄袭而受处分。

They are in for a grand surprise and a deserved punishment.
等待他们是一场少有的意外和罪有应得的惩罚。

according是什么意思：
adv.根据；按照
adj.相符的，相应的；和谐的

Cut the coat according to the cloth
量布裁衣

Judge not according to the appearance
不要以貌取人

Arrange the exhibits according to size.
将展品按大小排列。