Keeping in shape is a common expression for staying physically fit!

保持身材是保持身体健康的常见表达方式！

So we have grandfathers and grandmothers who come to keep in shape or who have minor ailments.

有爷爷奶奶辈的人来这里，他们来保持身材，或者是因为身体有一些小毛病。

Before I discovered yoga, I used to try to keep in shape by doing backbreaking exercise programs.

在我发现瑜伽之前，我曾经试着通过做一些累人的运动项目来保持身材。

There are some complex maze variations I'd like him to learn to be sure he keeps in shape.

我想让它学习一些复杂的迷宫变化，以确定它能维持良好状况。

We'll need them to help the sail keep its shape in the wind.

我们需要它们来帮助帆在风中保持形状。

She’s bought an exercise bike to keep in shape.

【shape】她买了辆健身自行车来锻炼身体。

I find the fastest way to get round town and it's, it's really good for keeping in shape.

我找到了绕城最快的方法，这对保持身材真的很好。

Basically, it's a place where you go and exercise, where you try to keep in shape, you try to keep your body healthy – at least, that's what I'm told happens at a gym.

基本上，这是一个你去锻炼的地方，你试图保持体形的地方， 你试图保持身体健康的地方——至少，有人告诉我在健身房是这样的。