’车在楼下等着呢’英语口语怎么说，书面怎么说？

口语：A car is gonna pick you up.
书面语：A car is waiting for you at downstairs.

The car is waiting downstairs 口语书面都可以用

口语：You are going to be picked up.
书面语：The car is waiting for you.
不用把楼下的书面意思在英文上表示，因为Car 肯定是在楼下的。