Evildoers are bound to be punished in the end.

做坏事的人到头来总会遭报应的。

《新英汉大辞典》

Having your conversation honest among the Gentiles: that, whereas they speak against you as evildoers, they may by your good works, which they shall behold, glorify God in the day of visitation.

你们在外邦人中，应当品行端正，叫那些毁谤你们是作恶的，因看见你们的好行为，便在鉴察的日子(鉴察或作眷顾)，归荣耀给神。

youdao

Having a good conscience; that, whereas they speak evil of you, as of evildoers, they may be ashamed that falsely accuse your good conversation in Christ.

存着无亏的良心，叫你们在何事上被毁谤，就在何事上，可以叫那诬赖你们在基督里有好品行的人，自觉羞愧。

youdao

The towering masked figure dances at the culmination of a series of other masquerades, protected by six 'police' and carrying a mirror with the power to draw in and punish evildoers.

UNESCO: Culture

He exposed a flaw in the Web that lets evildoers hijack traffic, among the most serious bugs in the Internet's history.

FORBES: Magazine Article

New York Republican Gubernatorial candidate John Faso has an uphill battle against New York State Attorney General Eliot Spitzer, who won fame by portraying himself as the scourge of evildoers on Wall Street and in corporate boardrooms.

FORBES: Magazine Article