know-alls 📖 中文释义 n. <口>假装或自称无所不知的人( know-all的复数形式 ) 🧩 词形变化 原形 know-all 📘 English Definition(英文释义) n. someone who thinks he knows everything and refuses to accept advice or information from others ← know-all K 字母词表 know-hnw →