Focus on the pronunciation of reserve
English definition of “reserve”
/rɪˈzɜrv/ v [I/T]
› to keep something for a particular purpose or time: [T] He reserved the right to veto any future plans. › If you reserve something such as a table in a restaurant or a room in a hotel, you arrange for it to be kept for your use at a later time: [I] It’s a popular restaurant, and you’ll have to reserve well in advance. [T] I’m sorry, this seat is reserved.