1. keep fit
I exercise three times a week to keep fit.
I must keep fit
If you want to run a marathon, you need to keep fit.
I think that running around is the best way to keep fit
Running helps me to keep fit
She practises yoga to keep fit
I used to keep fit, when I was younger.
You need to go to the gym to keep fit.
How do you keep fit?
I eat lots of fruit and do plenty of exercise to keep fit.
2. stay fit
They run and go to the gym to stay fit.
英語 "という言葉utrzymywać dobra formę"(stay fit)集合で発生します。
ja to pierdole do cipy ten angielskizdrowie cz.1