like riding a bike / bicycle

/lˈaɪk ɹˈaɪdɪŋ ɐ bˈaɪk bˈaɪsɪkəl/

(of a learned skill) still easy to do after not practicing for long

Examples

1. Non-declarative memories, on the other hand, are memories of habit, like riding a bicycle or tying your shoes.

2. If you had a lot of swim lesson as a kid, I bet swimming will be just like riding a bike for you.

3. You see, learning to swim is like riding a bicycle.

4. I guess it's like riding a bike.