Cách sử dụng
"A walk in the park" is a common expression used to describe something that is very easy and enjoyable to do. The phrase comes from the idea that taking a walk in a park is a simple and pleasant activity that anyone can do. You can use this expression when talking about any task or activity that is not difficult, stressful, or challenging. For example, if someone asks you how your math exam was and it was very easy, you could say "oh, it was a walk in the park."