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。