knuckling 

  1. 動詞
knuckle現在分詞:
不及物動詞:
用指關節按壓
用指關節摩擦
及物動詞:
用指關節按壓...(物、人)
用指關節摩擦...(物、人)
knuckling down:
下功夫
開始認真工作

    
                        
    2. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                You both started knuckling down.                            
    2. 
                                                    
  2. 
                                I've been knuckling down all the time.                            
    3. 
                                                    
  3. 
                                Anyhow, by knuckling under I had no trouble.                            
    4. 
                                                    
  4. 
                                They're not knuckling her down to concentrate!                            
    5. 
                                                    
  5. 
                                Is Menendez Knuckling Under Foreign Policy Hardball?                            
    6.