fruitlessly 

  1. 副詞
徒勞地
無效地, 無益地

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                I knock on the door and wait, fruitlessly .                            
    2. 
                                                    
  2. 
                                She wriggled fruitlessly in his ruthless grasp.                            
    3. 
                                                    
  3. 
                                They searched fruitlessly over the next decade.                            
    4. 
                                                    
  4. 
                                Then she called 'Giovanna!' fruitlessly into the silence.                            
    5. 
                                                    
  5. 
                                Many people tried fruitlessly to save their possessions .                            
    6.