two-faced liar 当面一套，背后一套的骗子
She's a two-faced liar.
她就是个两面三刀的骗子。
villain 恶棍，坏蛋
He is a villain, but he has some virture.
他是个坏蛋，但他还有一些优点。
scumbag 卑鄙小人，人渣
A fight broke out because that scumbag cheated at poker.
那个卑鄙的家伙在玩扑克牌时作弊，因此引起一场打斗。
Can you believe it? They let that scumbag out on bail！
他们竟然允许那个人渣保释了！简直难以置信！
crook 骗子，无赖
That salesman is a real crook.
那个销售员纯粹是个骗子。
Don't get mixed up with him - he's a crook!
别跟他厮混——他是个无赖！
evil witch 邪恶的巫婆，邪恶的女巫
Her mother-in-law is a bitter old witch.
她的婆婆是个尖酸刻薄的老巫婆。
bastard 混蛋，恶棍
He is a real bastard.
他是个十足的恶棍。
You bastard! You've made her cry.
你这个混蛋！你把她弄哭了。
a nasty piece of work 下流坯，讨厌的家伙
What a nasty piece of work you are, you make me sick! I am so fed up! ROLL!
你真让人讨厌，你让我恶心！我受够你这货了！滚！
psycho 疯子，变态
That's simply abnormal. He is a psycho.
那简直是不正常的，他是个变态。
Whenever old Indian Joe drinks alcohol of any kind, he turns into a psycho.
每当老印第安人乔喝了酒后，他就变得疯狂了。
creep 讨厌鬼，令人不安的怪人
He's a nasty little creep!
他真让人讨厌！
Stop following me, you creep!
别再跟着我了，你这个怪咖！（转载）