nickname ·noun

Sonny是他的昵称——他的真名是Joseph。

Sonny is his ___nickname - his real name is Joseph.

在学校里，我的昵称是小丑，因为我有能力让别人笑。

In school I had the ___nickname the Joker, because I had the ability to make other people laugh.

我的朋友们叫我的昵称'Sparky'，而不是我的正式名字。

My friends call me by my ___nickname 'Sparky' instead of my formal name.