April Fool's Day, also known as All Fools' Day, is a day celebrated on April 1st. It is a day when people play practical jokes and tricks on each other. The origins of this tradition are not entirely clear, but it is believed to have roots in the Middle Ages. In many countries around the world, it is a day of fun and laughter, with people trying to outdo each other in coming up with the most creative and amusing pranks.

愚人节，也被称为万愚节，是在4月1日庆祝的一天。这一天人们互相开玩笑和捉弄。这种传统的确切起源尚不完全清楚，但据信其根源可以追溯到中世纪。在世界许多国家，这一天是欢笑和乐趣的日子，人们试图想出最创意和有趣的恶作剧来超越对方。