The headmaster at my school decided to play an April Fools' joke on the students when I was in high school.

在我上高中的时候，我们学校的校长决定给学生们开一个愚人节玩笑。

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You may laugh at a prank on April Fools' Day.

你可能会因为愚人节的一个恶作剧而发笑。

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Each country celebrates April Fools' Day differently.

每个国家庆祝愚人节的方式都不相同。

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Every April Fools' Day, tech companies big and small roll out carefully constructed jokes.

CNN: Heather Kelly,

When it came to April Fools', he dynamited decorum and put moderation to the torch.

WSJ: Google: The Beginning

Every April 1--yes, April Fools' Day--highly educated foreigners with corporate sponsors file for 65, 000 H-1B visas.

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