Sir به انگلیسی
From Longman Dictionary
sir /sə; strong sɜː $ sər strong sɜːr/ ●●● S1 W3 noun
used when speaking to a man in order to be polite or show respect
هنگام صحبت با یک مرد به منظور رعایت ادب یا احترام استفاده می شود
used by children at school when speaking to or talking about a male teacher
کودکان در مدرسه هنگام صحبت با معلم مرد یا صحبت در مورد آن استفاده می کنند
Example
Anagrams and word puzzles are not in my line of country, sir
Not esquire, sir, lord or anything like that
Would you need to speak to him, sir
You needn’t be jealous, sir
It isn’t all it sounds, sir, but they tell me it’s a start