keep fit — stay healthy
collocationB1IELTS 5+neutralcommon
to do regular exercise or physical activity so that your body stays healthy and strong.
Say it like a native
Textbook I exercise regularly to maintain my physical fitness.
Native I run a few times a week to keep fit.
'Keep fit' is the compact, natural goal phrase; 'maintain my physical fitness' is gym-brochure formal.
Pattern: keep fit
In use
- I go swimming twice a week to keep fit.health
- Personally, I think it's important to keep fit, so I try to walk or cycle instead of driving whenever possible.IELTS speaking
Common mistake
✗ I do sport for keep fit.
✓ I do sport to keep fit.
Use 'to keep fit' (purpose), not 'for keep fit'.
Common collocations
keep fit + means— by running, at the gym, as you age, and healthy
Don't confuse it
Not the same as 'get fit,' which means to become healthy and strong, often after not being fit.