undisguised       
adjective uk/ˌʌn.dɪsˈɡaɪzd/ us/ˌʌn.dɪsˈɡaɪzd/
 (情感)不加掩饰的
An undisguised feeling is clearly shown or expressed, when it is usually kept hidden.
  She looked at him with undisguised contempt. 她毫不掩饰地用鄙夷的目光看着他。 
 
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