1.This was later called the pratfall effect.

这后来被称为闹剧效应。

2.That's the blunder. That's the pratfall.

这就是错误。 这就是陷阱。机翻

3.Literally meaning " crispy skin college students, " the tag has become a playful hangout for the country's less physically gifted college students — a place they can go to swap stories of pratfalls, poor immune systems, and embarrassing injuries.

这个标签的字面意思是“生”，它已经成为体质较弱的生们的俏聚集地——一个他们可以交换跌倒、免疫系统差和尴尬受伤故事的地方。