这种谜语有点像汉语里的“脑筋急转弯”,一词多义常常是关键。Why is a river rich? 答案:Because it has two banks. “因为它拥有两家银行(歧义:两条河岸)。”这是个双关语谜语。What country is popular on thanksgiving day? 答案:土耳其。因为Turkey(土耳其)的小写是turkey(火鸡),而火鸡是感恩节的传统主菜。What country is useful at mealtime?答案:中国。因为中国China(中国)的小写是china(瓷器),而瓷器是用餐时必需的。Which runs faster, heat or cold? 答案:heat。Because you can catch a cold and you can’t catch a heat .What bird is essential to eating? 答案:swallow(燕子)。因为swallow的另外一个意思是“吞咽”。