A: We should keep Frank at arm’s length.
我们应该里Frank远点儿。
B: Yeah. He’s known as a sly dog. He’s done manypeople in.
是的，他很狡猾，经常陷害他人。
A: Hie hits below the belt.
他经常暗箭伤人。
B: And he may cash in on people whenever chances are provided.
他有机会就咱人便宜。
对话精讲
第一、核心表达
【核心短语】a sly dog
【解词释义】sly作为形容词，意思是“神秘的”，“诡秘的”或“偷偷的”。习语a sly dog的字面意思是“一条诡诈的狗”，比喻指“暗中寻欢的人”或“阴险，诡计多端的人”。
第二、词海拾贝
1. do in：谋害，谋杀
【典型范例】Whoever did him in removed a man who was brave as well as ruthless.
无论谁杀了他,都是除掉了一个既勇猛又残忍的人。
2. hit below the belt：用不正当手段打人
【典型范例】If he dares hit me below the belt, I won't put anything past him.
如果他胆敢给我使坏,我就饶不了他。
3. cash in on：靠......挣钱，从......捞到好处
【典型范例1】Let's cash in on the fine weather and go fishing.
让我们趁着这好天气去钓鱼吧!
【典型范例2】Don't try to cash in on me, or I'll leave.
别想在我身上占便宜，否则我将离去。
