Expensive is an adjective meaning costing a lot of money.
Synonyms: costly, high-priced, dear, overpriced
Antonyms: cheap, inexpensive, affordable
Common collocations:
1. Expensive car - 豪车
2. Expensive taste - 高品位
3. Expensive mistake - 代价高昂的错误
4. Look expensive - 看起来很贵