The Vietnamese word "tiệm ăn" means "restaurant" in English. It refers to a place where people go to eat meals that are prepared and served by staff.
Chúng ta đi tiệm ăn tối nay nhé!
(Let's go to the restaurant tonight!)
Tiệm ăn này có món phở rất ngon.
(This restaurant has very delicious pho.)
While "tiệm ăn" primarily means "restaurant," it can also refer to any food service establishment, including cafes or snack bars, depending on the context.