n.罪行；罪惡

The malefactor was sentenced to death. 這個罪犯被判死刑。

Don't come and go with malefactor. 不要和壞人來往!

The poor man made a clamor over it: some malefactor had been there! 那窮人連聲喊道：“有個小偷來過了

He's a malicious and malevolent malefactor and gangster. 他是一個惡毒的,壞心腸的罪犯,土匪。

The "malefactor" who had been there was Father Madeleine. 來過的那個“小偷”正是馬德蘭伯伯。

Public security people: by no means let any malefactor to escape. 公安人員：決不讓任何一個犯罪分子逃脫。