یعنی با انجام فلان کار غریبه نیست
این یک اصطلاح رسمیه
مثال
The golfer is described as ‘no stranger to getting the job done’, having already won a famous tournament. If you are no stranger to something, you have personal experience of it. This is a rather formal idiom.
این یک اصطلاح رسمیه
مثال