What do you do to stay in shape?

你怎么保持身材？

Do you work out?

你锻炼吗？

How often do you work out?

你多久锻炼一次？

What kind of exercise do you do?

你做什么样的锻炼？

Do you get much exercise?

你运动的多吗？

I hit the gym three times a week.

我一周锻炼三次。

I'm thinking of working out/signing up for a gym.

我正在考虑去锻炼/申请健身会员

I've got to get back into working out again.

我必须重新去锻炼了。

I'm trying to build myself up.

我正在努力把自己调整好。

I want to tone my muscle, not build them up.

我想把肌肉练得紧致，但不想练得发达。

I want to get ripped.

我想让我的肌肉更有型。

I work out regularly.

我定期锻炼。

I do twenty push-ups/sit-ups/pull-ups every morning.

我每天早上做20个俯卧撑/仰卧起坐/引体向上

A: Why don't you come over for dinner tonight?

你今晚过来吃饭怎么样？

B: I'd like to, but I don't feel up to it.

我想去，但是我觉得没有力气去了。

A: What's wrong? Are you sick?

怎么了？你生病了吗？

B: Not really. I'm just so tired these days. I just feel like going home and taking a nap after work.

没有。这些天我只是觉得很累，下班后就想回家小睡一会儿。

A: You need to exercise more. It'll give you more energy.

你需要多锻炼这样精力才能充沛。

B: Maybe you are right. It's about time I started to hit the gym again.

也许你是对的，我也该再坚持去健身房锻炼了。