What is the difference between 情势, 局势, 形势, 情形, 情况 and 状况? &lt; 情势 situation; trend of events; circumstances:

局势 situation; state (of affairs)

形势 situation; circumstance; condition; state of affairs >

&lt; 情形 circumstances; situation

情况 circumstances; situation >

状况 condition; state; situation

Very confused. They obviously have a subtle difference as with all the analogous words in English, but I can't get the handle of it.
情势 (situation) = 情 (details) + 势 (formations /form)= the form and details
  
  you look at a situation as an object. The form of it tells you what kind of situation you are looking at.
  
  Example: 情势危急 (situation is critical) * the form and the details tells us the situation is critical


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  局势 (situation) = 局面 (board surface)+ 势 (formations /form) = The formations on the board surface
  
  Metaphorizing a situation as a chess game. The formations of the chess pieces on the board tell us what is going on in the game (situation)
  
  Example: 局势危急 (situation is critical) * the formations on the chess board indicates the game(situation) is in a critical state


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  形势(situation) = 形(shape) + 势(formations/ form) = shape and form 
  
  a 'shape and form' description can apply to an actual object; or metaphorically, to a state of affairs.
  
  Example: 形势危急 (situation is critical) * the shape and form indicates the situation is in a critical state.


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  情形 (situation) = 情(details)+ 形(shape)= shape and details
  
  shape and details forms a 'situation'.
  
  Example:看情形他不会来 (looks like he won't come)
  
  The thing that's being looked at is details of the situation, which indicate he won't come


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  情况 (situation) = 情(details)+ 况(appearance) = appearance and details
  
  appearance and details = 'circumstance'(situation).
  
  Example:看情况决定 (make the decision depend on the situation)
  )
  
  see the appearance and situation then decide


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  状况 (situation) = 状態(status) + 况 (appearance) = appearance and status
  
  'appearance and status' = 'condition' (situation).
  
  这状况不能持续 (this situation cannot be maintained)