剑桥词典 toughie noun [C] (DIFFICULT THING) a difficult question or problem 难题 That last question was a real toughie. 最后的那个问题真难回答。 toughie noun [C] (PERSON) old-fashioned informal a violent person 恶棍；暴徒 a strong person who is not easily made weaker or defeated 坚毅不屈的人，意志坚定的人 返回 toughie