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 Afrouz
 
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							| please s.o tell me what �s the difference between " The air is thin." AND " Thin air" Are they the same?  I don �t mean grammatically,asking about the meaning. |  18 Feb 2010      
					
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 Chris Brookes
 
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							| They mean the same. THIN AIR and the AIR IS THIN.  In the UK there is an idiom " WALKING ON THIN AIR"....if you changed this to "WALKING WHERE THE AIR IS THIN" it has the same meaning if not the same affect. |  18 Feb 2010     
					
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 yanogator
 
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							| In the US, we have the expression "to appear out of thin air", meaning to appear from nothing. We also have the opposite, "to vanish into thin air". On the other hand, "the air is thin" refers to the low oxygen level at high altitudes.     Bruce |  18 Feb 2010     
					
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