faker  
noun [ C ]  disapproving uk/ˈfeɪ.kər/ us/ˈfeɪ.kɚ/
  (OF FEELING)      
  虚情假意的人
a person who shows or pretends to feel emotions that are not sincere, or to be something that he or she is not
  A great actor has to be a great faker.  一个优秀的演员必然是一个会假装的人。 
 The novel invites us into a world of braggarts and fakers. 这部小说带我们进入了吹牛者和造假者的世界。 
 - More examples
 - Some of our greatest writers are some of journalism's greatest fakers.
 - The movement has just as many fakers as saints.
 - He calls his competitors thieves, frauds, fakers, and incompetents.
 
  (OF ILLNESS)      
  假装某种感情的人;装病的人
a person who pretends to have a feeling or illness
  There exists an entire class of patients known plainly as fakers. 有一类病人就是爱装病。 
 One of the problems is the perception of stress being a faker's illness. 其中一个问题是,人们认为压力是假装出来的。 
 - More examples
 - A faker tricked family and friends out of more than £200,000 by claiming he had cancer.
 - It is the story of a deadly medical faker and the Chicago doctor who helped stop him.
 
  (OF OBJECT)      
 伪造者,造假者
a person who makes objects that look real or valuable in order to deceive people
  The gadget faker operates or sells his phony machines for $5 to $10,000. 这个造假机器的人以5到1万美元的价格操作或销售他的假机器。 
 He is a skilled faker of antiques.  他是一个熟练的古董伪造者。 
 See: fake
 - More examples
 - Fighting fakers is challenging for brands that must try to convince officials that counterfeiting is a serious crime.
 - Pointing out obvious blemishes, he told us that these paintings were done by bad fakers and there are much better copies around.