Her precision became a standing joke with colleagues.

她的一丝不苟成了同事间经常性的笑柄。

《柯林斯英汉双解大词典》

I wanted to see him and decided to play a little joke on him in front of his highly conventional colleagues.

我想见见他，并且决定当着他那些相当传统的同事的面，跟他开个小小的玩笑。

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"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。”

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Judges seem to relish what has become, more or less, an inside joke among colleagues.

WSJ: Here's a Funny Idea: Medicare Laws That Are Easy to Read