If you find something easy and you can do it without much effort or concentration then you can say that it comes naturally to you.
For example, if you are a good writer and find it easy and enjoyable to do, then you can say that writing comes naturally to you.
This expression can be used to say that a new skill or ability was easy to learn, or that you became good at it quickly.
e.g. Sarah has only been playing tennis for a few months but she’s already better than most other players at the club. Tennis obviously comes naturally to her.
We often use this expression in the negative to say that something is not easy for us to do, that we have to make a lot of effort to do it, or that we had to work hard to be able to do it.
For example, some people find public speaking very stressful and challenging. They can do it, but it is a difficult experience which probably requires a lot of effort and preparation. For them, speaking in public doesn’t come naturally.
Other people seem completely relaxed and in their element when public speaking, and doing it is easy. Public speaking comes naturally to them.
Have a go at this dictation exercise to hear this expression being used in context – how much can you understand?