求Hang 'Em High什么意思?

hang them high指把犯人判死刑(吊死)

这句的意思你可以这样理解:

when the price is high(当价码够高,意即收受的好处足够多时)

the former hang them high prosecutor (之前恨不得把犯人判死刑的公诉人;爱酷翻译成嫉恶如仇也可以,算是意译)

is not above defending the wicked (也会为坏人辩护。这里Not above doing sth指“不会高尚到不去做sth”)

hang them high这里的确是用来形容prosecutor的