expensive

詞型變化：

名詞:expensiveness 副詞:expen-sively 

詞意辨析：

dear, expensive, costly

這些形容詞都表示物品價格“高的，昂貴的”之意。
dear: 側重指要價過高，或遠高於公道、合理的價格，其反義詞是cheap。
expensive: 指物品的價格超過了它本身所值，或超過了購買者的支付能力。
costly: 指物品價格高，通常是因物品稀少或珍貴所致。 

中英例句：

1. The transport of goods by air is very expensive.
   空運貨物費用十分昂貴。
2. I think international calls are very expensive.
   我認為國際電話費用很高。
3. He gave her an expensive fur for her birthday.
   他送給她一件昂貴的毛皮衣服作生 日禮物。
4. This set of crystal wine cups is very expensive.
   這套水晶玻璃酒杯非常昂貴。
5. A cheaper camera is not always inferior to a more expensive one.
   廉價照相機的質量並總不比昂貴的差。
6. The manufacture of these small components is expensive.
   製造這些小部件是非常昂貴的。
7. She likes to wear expensive blue underwear.
   她喜歡穿昂貴的蘭色內衣。
8. The dress is too expensive for me to buy.
   那衣服太昂貴，我買不起。

英文解釋：

形容詞 expensive:

1. high in price or charging high prices