What are you doing here? 你干什么呢？

I'm doing morning exercise.  我在晨练。

Are you going to lose weight? 你要减肥吗？

Many people are taking morning exercise in the park. 公园里很多人在晨练。

Let's go to the park. 我们去公园吧。

Why? It's too early. 为什么？太早了。

Many people are taking morning exercise in the park. 公园里很多人在晨练。

I don't want to do morning exercise. 我不想去晨练。

Look at yourself. You're fatter. 看看你自己。你发胖了。