Students specialize in a particular type of practical joke: the hoax.学生们擅长于一种特殊形式的恶作剧 -- 设置骗局.This is a practical joke.这是恶作剧.I'm sure the whole thing is just some practical joke.我可以肯定这全部事件都是在开玩笑....

practical joke的复数形式为：practical jokes...

practical joke的音标：practical joke的英式发音音标为：['præktikəl dʒəuk]practical joke的美式发音音标为：['præktɪkəl dʒok]...

恶作剧...