keep fit/healthy
有的。保持健康的翻译如下：
1、keep healthy
英 [ki:p ˈhelθi] 美 [kip ˈhɛlθi]
保持健康
You have to eat well and exercise if you want to keep healthy.
如果你要保持健康，你必须吃得好，还要运动。
2、stay healthy
英 [stei ˈhelθi] 美 [ste ˈhɛlθi]
保持健康
They also help you grow and stay healthy.
它们也有助于你成长和保持健康。
3、keep in good health
keep in
英 [ki:p in] 美 [kip ɪn]
抑制;（使）继续燃烧;储备;（使）留在家里
I must keep in good health, and not die,'I replied.
“我必须保持健康，不要死去。”我答道。
4、stay in good health
stay in留在家中，不外出; 保持住
good health安康
Then you had better stay in good health.
那你最好保持身体健康。
5、stay with health
stay with在…家里作客，继续为…工作
Wish you and me stay with happiness, safety, and good health.
愿你我拥有幸福，平安，健康！