That's one helluva big house you've got.

你的房子真是大极了。

It bothers me to think of her alone in that big house.

想到她孤零零地待在那所大房子里，我便坐立不安。

It upsets me to think of her all alone in that big house.

想到她孤身一人守着那所大房子，我就感到不舒服。

He wants a big house and an expensive car and all the rest of it.

他想要大房子、豪华汽车，如此等等。

They got a big house.

他们的房子很大吗。