The idiom “play it by ear" means to handle a situation without having a fixed plan or set of rules. It suggests that you will make decisions based on the current situation using your judgment.
Meaning of ‘Play it by ear ’ Idiom in English
Play it by ear
Meaning
Examples
When traveling, sometimes it's more fun to play it by ear and discover new places on the way.
We don't have a strict schedule for the road trip; we'll play it by ear and see where we want to go.
He didn't make reservations for dinner, so we'll play it by ear and find a restaurant when we get there.
I'm not sure how long it will take to finish the project, so let's play it by ear and make adjustments as needed.
She doesn't have a specific plan for her future career; she is going to play it by ear and explore different opportunities.