cuatro

例句：

1. 1.The restaurant has four tables for eight people.
   这家餐厅有四张桌子可以容纳八个人。
2. 2. Four of the students are in the library now.
   现在有四名学生在图书馆里。
3. 3.We need four more volunteers to help with the project.
   我们需要再招募四名志愿者来协助这个项目。