big cheese

例句：

1. 1.He's the big cheese at the company.
   他在公司里是个大人物。
2. 2.The big cheese is always in charge of the project.
   这个大人物总是负责这个项目。
3. 3. Big cheeses are often the ones who make the decisions.
   大人物往往是做决定的人。