辞書 ポーランド語 - 英語
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być sprawnym 英語で:
1. 
to keep fit
I practice many sports to keep fit.
I try to keep fit by playing sport.
2. be in working order
英語 "という言葉być sprawnym"（be in working order）集合で発生します。
słówka dział 63. be fit
She wants to be fit.
4. get fit
I have to get fit before a trip to the mountains.
I want to lose weight and get fit before my wedding.
I've started going to the gym because I want to get fit.
I want to get fit. I’m so fat.
