I've twisted my ankle. 我扭伤了脚踝。

A: What's up? Why are you limping?

A: 怎么了？你为什么一瘸一拐的？

B: I twisted my ankle. It really hurts.

B: 我扭伤了脚踝。很疼。

A: How did you do that?

A: 怎么搞的？

B: It was nothing serious. I just twisted it when I was walking.

B: 没什么大事。是我走路的时候扭伤的。

A: It looks swollen. You shouldn't walk on it. You should rest.

A: 看起来肿了。你不应该再用伤脚走路了。你应该休息。

B: I know. I'm going to put some ice on it.

B: 我知道。我要在上面敷些冰。