go down

I go down to the floor below.

私は下の階へ下ります

I hurry down to the floor below.

私は急いで下の階へ下ります

I hurry down to the floor below by the stairs.

私は階段で急いで下の階へ下ります

I hurry down to the floor below by the stairs right now.

私は今階段で急いで下の階へ下ります

I hurry down to the floor below by the stairs right now with my younger brother.

私は弟と今階段で急いで下の階へ下ります