剑桥词典 toughie noun [C] (DIFFICULT THING) a difficult question or problem 難題 That last question was a real toughie. 最後的那個問題真難廻答。 toughie noun [C] (PERSON) old-fashioned informal a violent person 惡棍；暴徒 a strong person who is not easily made weaker or defeated 堅毅不屈的人，意志堅定的人 返回 toughie