افزایش شدید و ناگهانی قیمت ها
especially American English informal 
a rise in price ( informal )  
 a large increase in prices, wages, taxes etc SYN rise 
 ( informal ) a large or sudden increase in prices, costs, etc  
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A hike is a sudden or large increase in prices, rates, taxes, or quantities 
an increase in the cost of something, especially a large or unwanted increase 
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