劍橋詞典a problem for which it is hard to find the answer , especially one which people enjoy trying to solve as a game 有趣的難題；智力測驗(yàn)題 The paper publishes two brainteasers every Saturday . 這份報紙每個星期六都刊載兩道智力測驗(yàn)題。 返回 brainteaser