Rosa：Slow down，Carl.I can't keep up with you.

Carl：You walk as slowly as a snail.

Rosa：How do you keep so fit？

Carl：I work out as often as I can.

慢下来

罗莎：卡尔，走慢一点。我跟不上你。

卡尔：你走得跟蜗牛一样慢。

罗莎：你是怎么保持这么健康的呢？

卡尔：我尽可能地经常运动。