The passengers all laughed when the driver cried, "April fool!" So, the driver had played a big joke on everybody in the bus.

当司机大声说“四月傻瓜！”时，全体乘客轰然大笑，原来司机对全车乘客开了一个大玩笑。

youdao

And then went away. 5 minutes later, other workmates laughed at me, and called me April Fish.

五分钟后，其他的同事冲我笑，叫我四月的鱼。

youdao

On April 11, audience members openly laughed at the frumpy 48-year-old as she introduced herself on the Britain's Got Talent TV show.

VOA: standard.2009.12.25

Mark Cook, 24, of Braddons Hill Road East, Torquay, laughed "uncontrollably" during the incident in April, Torbay Magistrates' Court was told.

BBC: Torquay PCSO airgun shooting: Mark Cook jailed