YOU SAID:

i waiting for the bus for hours

INTO JAPANESE

私は何時間もバスを待っている

BACK INTO ENGLISH

I've been waiting for the bus for hours.

INTO JAPANESE

もう三時間もバス待ってるよ。

BACK INTO ENGLISH

I've been waiting for the bus for three hours.

INTO JAPANESE

もう三時間もバス待ってるよ。

BACK INTO ENGLISH

I've been waiting for the bus for three hours.