1·Godel's incompleteness theorem seems like a practical joke.
哥德尔的不完全定理就象一个恶作剧。
2·"When Obama won, my colleagues played a practical joke on me -- they made me wear a suit, a tie, and took pictures of me posing as Obama," Anas told reporters on Saturday.
阿纳斯上周六接受记者采访时说：“奥巴马胜选那天，同事们搞了个恶作剧——他们让我穿上西装，打上领带，扮成奥巴马拍照。”
3·A big practical joke?
一个巨大的恶作剧？
4·So as a practical joke, they purchased a half dozen rabbits from an agricultural research center in Haidian District, along with a dozen heads of lettuce.
为了搞恶作剧，他们从海淀区的一家农业研究所购买了六只兔子和十几颗圆白菜。
5·The colleagues made Li Pen the victim of the practical joke very embarrassed.
同事弄得李萍，那个恶作剧的受害者，非常尴尬。