know-all /'nәj ɔ:l/ ★☆☆☆☆ 📖 中文释义 n. 自以为无所不知的人, 自称无所不知的人, 知识里手, 万宝全书 🧩 词形变化 复数 know-alls 📘 English Definition(英文释义) n someone who thinks he knows everything and refuses to accept advice or information from others ← know where the shoe pinches K 字母词表 know-alls →