vicious: may directly oppose virtuous in implying moral depravity, or it may connote malignancy, cruelty, or destructive violence: a ~ gangster wanted for murder.    （deprave泛指道德变得败坏）


villainous: applies to any evil, depraved, or vile conduct or characteristic: ~ behavior that must be punished.    （注意是villain不是vallain）   （evil, depraved, vile完全同义）


iniquitous: implies absence of all signs of justice or fairness: an ~ tyrant, ruling by fear and intimidation.


nefarious: suggests flagrant breaching of time-honored laws and traditions of conduct: pornography, prostitution, and organized crime's other ~ activities.  flagrant公然的、明目张胆的


infamous: suggests shameful and scandalous wickedness: ~ for their crimes.   （wicked: 恶意=malice, malignance）


corrupt: stresses a loss of moral integrity or probity causing betrayal of principle or sworn obligations: city hall was filled with ~ politicians.   （probity是经过考验的integrity，两个词都表示正直）


degenerate: suggests having sunk from a higher to an especially vicious or enervated condition: a ~ regime propped up by foreign support.


vicious恶毒: 直接和美德相反，指道德败坏，常表示恶意残忍暴力，villainous邪恶: 泛指邪恶行为，iniquitous极不公正: 毫无公平正义，nefarious罪恶: 违反(长期遵守的)法律和传统，infamous臭名: 可耻的丑闻的，corrupt腐败: 不正直，违背原则义务，degenerate堕落: 道德堕落，即道德水平下降


记忆方法: 1) 首字母重组成CIV N DIV切割又切割<==邪恶 DIV可表示除法，CIV是词根CIS（切割）的变体，都表示切割，缩写时常用N表示and

        2) 邪恶的意思是品德行为恶劣mean highly reprehensible or offensive in character, nature, or conduct.首字母重组成CIV N DIV切割又切割<==邪恶    （reprehend严厉批评，offend冒犯）