Help translate a few sentence?

Question:

1)Rasshu no densha de mainichi kayou no wa taihen desu.

2)supotsu no ato de,shawa o abu no wa kimochi ga ii desu

3)Are wa nan to iu imi desu ka

4)Are wa dou iu imi desu ka

Thanks

Answer:

1) It is hard to commute (to school, work, etc) by train during the rush hour.

2) It feels good to take a shower after working out.

(3) and (4) mean the same thing, "What does that mean?"