underground 

  1. 形容詞
地下的, 地面下的
祕密的, 不公開的
電影或戲劇等: 反主流的, 先鋒派的

    同義字詞
backstairs,behind-the-scenes,clandestine,covert,furtive,hugger-mugger,hush-hush,private,privy,secret,sneak,sneaking,sneaky,stealth,stealthy,surreptitious,undercover,underhand,underhanded
belowground,subsurface,subterranean

  2. 副詞
在地下
秘密地

    
                        
    3. 
                                                                        
  3. 

    名詞
限定單數the underground:
地面下層
地下組織
先鋒派團體

    

    同義字詞
resistance

    
                        
    4. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                A: Underground channel mining.                            
    2. 
                                                    
  2. 
                                The Underground Golden River, 1985; 12.                            
    3. 
                                                    
  3. 
                                There, they find an underground shrine.                            
    4. 
                                                    
  4. 
                                It's knights fighting dragons underground .                            
    5. 
                                                    
  5. 
                                The conditions underground were far from ideal.                            
    6.