Cách sử dụng
"Kids' stuff" is an expression used to describe something that is very easy or simple. It's used to suggest that something is so easy that even a child could do it. This expression can be used in any situation where something is being dismissed or disregarded as too easy or simplistic. For example, if someone asks you to solve a very basic math problem, you might say "that's kids' stuff!" to indicate that the task is too simple for you. Similarly, if someone suggests doing something that seems too easy or trivial, you might dismiss it by saying "that's just kids' stuff."