best man
US /ˌbest ˈmæn/
UK /ˌbest ˈmæn/

1.
들러리
a male friend or relative who attends the bridegroom at a wedding, and is usually his chief attendant
:
•
My brother asked me to be his best man at his wedding.
형이 결혼식에서 나에게 들러리를 부탁했어.
•
The best man gave a funny speech at the reception.
들러리가 피로연에서 재미있는 연설을 했어.