That's the real practical joke.

这是个真实的恶作剧。

Maybe it was a practical joke.

也许那是个恶作剧？

A big practical joke?

一个巨大的恶作剧？

His practical joke invited our anger.

他的恶作剧惹我们生气。

What's your idea of a great practical joke?

你有什么恶作剧的想法。