In/within the space ofدر عرض کمتر از . . . 
ظرف مدت . . . 
before the end of ( a stated time ) : in ( a stated time ) or lessDuring a certain period or length of time. Usually used to emphasize that the amount of time is quite small, relative to what is being done 
 ...  [مشاهده متن کامل]  
مثال
Within the space of ten minutes
در عرض کمتر از ده دقیقه
ظرف مدتده دقیقه