Nico

例句：

1. 1. He gave his son a nickname because he was very smart.
   他给儿子起了一个昵称，因为他非常聪明。
2. 2. The nickname "The Terminator" is popular among fans of the movie series.
   “终结者”这个昵称在电影系列的粉丝中很流行。
3. 3. She decided to use her nickname as a way to connect with her friends.
   她决定用她的昵称来与朋友们建立联系。