出处:按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第66页(209字)
讽刺人年幼无知,例这小子乳臭未干,竟大言不惭,自吹自擂,要拿下世界冠军。
Fancy this young and inexperienced chap talking about winning the world championship.Isn’t he being rather bold and brash?