娱乐圈用英语可以翻译为 "entertainment industry"。这个短语的来源源于娱乐产业，指电影、电视、音乐、戏剧、体育等与娱乐相关的产业。

例句：

The entertainment industry is a major contributor to the economy. (娱乐产业是经济的重要贡献者。)

He has a successful career in the entertainment industry. (他在娱乐圈里有一个成功的事业。)

The entertainment industry is constantly changing. (娱乐圈不断在变化。)