We must act as trainers in gyms in order to keep each other fit.

我们必须像健身房教练一样，让彼此保持身材。

youdao

I go swimming every day in order to keep fit.

我每天游泳以保持健康。

《牛津词典》

Only if you take an active part in physical activity will you be able to keep fit and stay healthy.

你只有积极参加体育锻炼，才能保持身体健康。

youdao

If you just drag them and drag them, and drag them in there, it will keep growing to fill--to fit any such statements.

拖拽填充板块进来,它将越变越大。

哈佛公开课 - 计算机科学课程节选

Aside from ultra-lux furnishings, a bounty of Jacuzzis and enough flat-screen LCD panels to tile a roof, Connor says "Solemates" also lets guests keep fit in style.

CNN: STORY HIGHLIGHTS

At a news conference earlier today, United chairman Martin Edwards appeared to suggest Cantona could still play this season for the reserves - in order to keep himself fit.

BBC: 27 January

How I keep fit Well, when I was in college, I liked to play basketball, which is very popular in America, and I liked to jog.

BBC: News | Monitoring | President Clinton on Shanghai radio phone-in