(IP 
  (ADVP 
    (AD 难怪))
                    
  (NP-SBJ 
    (NP-APP 
      (NN 诗人))
                    
    (NP-PN 
      (NR 周邦彦)))
                    
  (VP 
    (VV 要)
                    
    (VP 
      (VV 赞叹)
                    
      (NP-OBJ 
        (DNP 
          (NP-PN 
            (NR 山西)
                    
            (NR 太原))
                    
          (DEG 的))
                    
        (NP 
          (NN 刀)))
                    
      (IP 
        (NP-SBJ 
          (-NONE- *PRO*))
                    
        (VP 
          (IP-ADV 
            (NP-SBJ 
              (-NONE- *PRO*))
                    
            (VP 
              (PP-ADV 
                (P 像)
                    
                (NP 
                  (NN 水)))
                    
              (VP 
                (VA 一般))))
                    
          (VP 
            (VCD 
              (VA 光亮)
                    
              (VA 锋利))))))))
arg0: 
                    *PRO* 
                
argm: 
                    *PRO* 像 水 一般