The house is not big, but it fits in with our needs.
房子虽然不大，倒挺实用的。
The rooms are not big but are very comfortable.
房间不大，但很舒适。
Maybe we're not thinking big enough.
也许我们的抱负还不够远大。
Our school is not as big as yours.
我们的学校没有你们的大。
The profit was fair but not as big as they had hoped.
利润尚可，但不如原先希望的那么丰厚。