Keep in good shape phrase
To remain healthy or fit
I had to go on a diet to keep in good shape.
He will turn 60 this year but still keeps in good shape.
Healthy, strong and well
Used to describe someone who has great physical strength and endurance
1. (Said of clothing items) To fit perfectly.
2. To be suitable for someone.
To look or feel great
Being healthy and strong
The verb "keep" should be conjugated according to its tense.
To be extremely stupid; not to be alert
She didn't know her ass from a hole in the ground when quitting such a decent job.