villain
noun uk/ˈvɪl.ən/ us/ˈvɪl.ən/
[ C ]流氓；恶棍
a bad person who harms other people or breaks the law
Some people believe that Richard III was not the villain he is generally thought to have been. 有些人认为理查德三世不是通常人们认为的恶棍。
He's either a hero or a villain, depending on your point of view. 他要么是英雄，要么是恶棍，这取决于你如何看了。
[ C ] UK informal罪犯
a criminal
Bert's just a small-time villain. 伯特只是个小流氓。
[ C ]反面人物;反派角色
a character in a book, play, film, etc. who harms other people
He made his reputation as an actor playing villains. 他靠演反派角色而出了名。
[ C usually singular ] informal首要危险；祸首
something or someone considered harmful or dangerous
We've always been told that cholesterol was a major cause of heart disease but, actually, saturated fat is the worst villain. 我们一直被告知胆固醇是导致心脏病的主要原因，可实际上饱和脂肪才是罪魁祸首。
Idiom
villain of the pieceidiom informal 首恶；祸首
The villain of the piece is someone or something that is seen as being the cause of trouble on a particular occasion.
When the minister was forced to resign, the press was generally seen as the villain of the piece. 那位部长被迫辞职，人们普遍认为新闻界是罪魁祸首。