no biggieAmerican EnglishAmE spoken said when something is not important or when you are not upset or angry about something 没关系,不要紧 ‘Oh, I’m sorry.’ ‘No biggie.’ “噢,对不起。”“没关系。”
no biggie• "Oh, I'm sorry." "That's okay, no biggie."
→ no biggie at biggie(1)