字典 波兰语 - 英语
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być sprawnym 用英语:
1. 
to keep fit
I practice many sports to keep fit.
I try to keep fit by playing sport.
2. be in working order
英语 单词“być sprawnym“（be in working order）出现在集合中：
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.
