(IP 
  (NP-SBJ 
    (CP 
      (WHNP-1 
        (-NONE- *OP*))
                    
      (CP 
        (IP 
          (NP-SBJ 
            (-NONE- *T*-1))
                    
          (VP 
            (LCP-TMP 
              (IP 
                (NP-SBJ 
                  (-NONE- *pro*))
                    
                (VP 
                  (VA 年轻)))
                    
              (LC 时))
                    
            (VP 
              (VA 厚实))))
                    
        (DEC 的)))
                    
    (NP 
      (NN 胸肌) ))
                    
  (PU ，)
                    
  (VP 
    (IP-ADV 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (ADVP 
          (AD 不))
                    
        (VP 
          (VV 知)
                    
          (NP-TMP 
            (PN 何时)))))
                    
    (VP 
      (VRD 
        (VV 塌落)
                    
        (VV 到))
                    
      (NP-OBJ 
        (NN 腹部) ))))
arg0: 
                    *OP* *T*-1 *pro* 年轻 时 厚实 的 胸肌 
                
arg1: 
                    腹部 
                
argm: 
                    *PRO* 不 知 何时