April Fools' Day

US /ˌeɪ.prəl ˈfuːlz ˌdeɪ/
UK /ˌeɪ.prəl ˈfuːlz ˌdeɪ/
"April Fools' Day" picture
1.

愚人节

April Fools' Day is an annual custom on April 1 consisting of practical jokes and hoaxes. The jokesters often expose their actions by shouting "April Fools!" at the recipient.

:
On April Fools' Day, my brother tricked me into believing he won the lottery.
愚人节,我哥哥骗我,让我相信他中了彩票。
Many news outlets participate in harmless pranks on April Fools' Day.
许多新闻机构在愚人节参与无害的恶作剧。