fake          
 noun [ C ] uk/feɪk/ us/feɪk/
C2 赝品;假货
an object that is made to look real or valuable in order to deceive people
  Experts revealed that the painting was a fake. 专家透露那幅画是赝品。 
 The gun in his hand was a fake. 他手里的枪是假的。 
 C2 冒充者;骗子
someone who is not what or who they claim to be
  After working for ten years as a doctor, he was exposed as a fake. 行医10年后,他被揭发是个冒牌货。 
 fake          
 adjective uk/feɪk/ us/feɪk/
C1 假的,伪造的
not real, but made to look or seem real
  He was charged with possessing a fake passport. 他被控持有假护照。 
 fake fur/blood 人造毛皮/假血 
  disapproving(情感)虚假的,伪装的 
showing or pretending to feel emotions that are not sincere
  a fake smile/laugh 虚情假意的微笑/大笑 
 She's so fake, pretending to be everybody's friend. 她太矫揉造作了,假装每个人都是她的朋友。 
 fake  
verb uk/feɪk/ us/feɪk/
  (FEELING/ILLNESS)      
 C2 [ I or T ]装出(某种感情);假装(有病) 
to pretend that you have a feeling or illness
  to fake surprise 佯装惊讶 
 to fake an orgasm 假装达到性高潮 
 She didn't want to go out, so she faked a headache. 她不想出去,就假装头痛。 
 He faked a heart attack and persuaded prison staff to take him to hospital. 他假装心脏病发作,说服狱警送他去医院。 
 He isn't really crying, he's just faking. 他没有真哭,只是在装哭。 
   (OBJECT)      
C2 [ T ]伪造 
to make an object look real or valuable in order to deceive people
  to fake a document/signature 伪造文件/签名