April Fool's Day
noun [ C usually singular ] (also April Fools' Day) uk/ˌeɪ.prəl ˈfuːlz ˌdeɪ/ us/ˌeɪ.prəl ˈfuːlz ˌdeɪ/ (UK also All Fools' Day)
愚人节
1 April, a day when people play tricks on other people
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。