Focus on the pronunciation of double
English definition of “double”
/ˈdʌbl/ noun [U]
› twice the amount, size, etc. of something else: pay/cost double He offered to pay them double to get the job done on time. The true figure is 30%, more than double the figure of 14% quoted. The group increased operating profit to $21.2 million, almost double its $11 million figure for last year. Unemployment in the region is double that of its neighbouring area.