It wasn't expensive.
This book is too expensive.
She gave him an expensive watch.
It is too expensive for me to buy.
I can't afford to buy an expensive car.
Strawberries are expensive in the winter.
I can't afford to buy such an expensive car.
She expected him to buy her an expensive gift.
I can't afford to eat in such an expensive restaurant.
Tom bought a really expensive, well-made pair of shoes.
She doesn't want him to buy an expensive engagement ring.
The delay forced us to stay overnight in an expensive hotel.
Tom can't taste the difference between expensive wine and cheap wine.
I'm putting myself through school, so I have things that are that expensive.