Taxonomy of meanings for 不能:  

  • INCOMPETENT
    • NP{vt{NEG}+V(.adN)}nonreferentialthose who are incompetent
    • VPibe incompetent
    • VPt+prep+Nbe more incompetent than N; be less able than N; be less powerful than N
  • FAIL
    • VPt(+V[0])fail to (do a contextually determinate thing)
    • VPt+V[0]fail to VDS