The extreme 'fluidity' of the situation has made it impossible to predict the outcome.
Boundaries between the farms were very 'fluid'.
Please check the 'fluids' in the car's engine.
(..) at that sexy hot rod. You know, I used to be a purty good whistler. I can't do it now, of course, on account of sometimes I get fluid built up in my engine block, but Doc said he's gonna fix it. He can fix about anything. That's why we made him the judge. Boy, you shoulda heard me on (..)2006 Cars