万恶的英文：
thoroughly diabolical

参考例句：

Idleness is the key of beggary, and the root of all evil.
懒惰是行乞的敲门砖，是万恶的根源。

He regards the city as a place where all form of iniquity is practised.
他认为该城是万恶丛集的渊薮。

He regards the city as a place where all forms of iniquity are practised
他认为该城是万恶丛集的渊薮.

I'm inclined to think that laziness is what your old Dr Botherem, up in vermont, used to call the essence of moral evil
你们佛蒙特那位鲍士伦老博士说得不错，我也有点相信，懒性是万恶之本。

How far that little candle throws its beams, so shines a good deed in a naughty world
小小一枝蜡烛，它的光辉照得多么远呀！在这万恶的世界上做一件好事，也同样发出光辉。

I have a great mind to put it into the fire, to punish your atrocious humbug and hypocrisy
为了对你这种万恶的骗子和伪君子实施惩戒，我倒很赞成把它一把火烧掉完事。

thoroughly是什么意思：
adv. 完全地；非常，极其；彻底地；认真仔细地

This lesson is thoroughly motivated.
这节课非常生动有趣。

Her life is thoroughly routinzed.
她的生活完全地例行公事化。

The chassis was thoroughly revised.
该底盘经过了彻底的改造。

The fire illuminated the street thoroughly.
大火照亮了整个街区。

Each new volume is thoroughly referenced.
每本新书都有详细的附注。