Taxonomy of meanings for 不可:  

  • IMPOSSIBLE
    • VPt[0]+V[0]it is impossible to V; one cannot V
    • VPt[0] V[0]. ZHIadNwhich is impossible to VDS
    • VPt+V[0]{PASS}cannot be V-edCH
  • REFUSE
    • vt(+V[0])refuse the contextually determinate proposal; refuse to do so; object
  • WICKED
    • VPibe unacceptable
    • VPt+V[0]it is unacceptable or wicked to V, one should not
    • VP[adN]something that is unacceptableLZ
  • SHOULD
    • VPt+V[0]V=activeshould notCH
    • VPt+V[0]V=passive不可從"should not be followed": should not be Vt-ed; must not be Vt-edCH
  • NOT
    • VPt+V[0]emphaticemphatic: certainly not, in no way, not by any means
    • vt+VtVt=passiveshould not be Vt-edCH