needlessly 

  1. 副詞
不必要地, 無用地

    
                        
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  2. 

    語法
(問句)Why do/does ...(A: 人) needlessly ...(B: 動詞...):
(A)何苦做(B)?
(A)何苦要做(B)?

    

    
                        
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例句

                

                    
    
                                                    
  1. 
                                I end up wasting money needlessly .                            
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                                I prefer to remain needlessly mysterious .                            
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  3. 
                                No one will suffer needlessly on our watch .                            
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  4. 
                                Overuse of the ER also can be needlessly costly.                            
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  5. 
                                Lots of times we gave the ball away needlessly .                            
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