These words all describe sth that costs a lot of money. 以上各词均表示昂贵、花钱多。

• expensive costing a lot of money; charging high prices 指昂贵的、花钱多的、价格高的：◆I can't afford it—it's just too expensive for me. 我买不起，对我来说这太贵了。◆an expensive restaurant 高档餐馆
• costly (rather formal) costing a lot of money, especially more than you want to pay 指昂贵的、花钱多的、价钱比愿意付的为高：◆You want to avoid costly legal proceedings if you can. 如果能够的话你希望避免昂贵的法律诉讼。
• overpriced too expensive; costing more than it is worth 指价格太高的、过于昂贵的：◆ridiculously overpriced designer clothes 贵得离谱的名牌衣服
• pricey (informal) expensive 指昂贵的、价格高的：◆Houses in the village are now too pricey for local people to afford. 如今该村镇的房价太高，当地人根本买不起。
• dear [not usually before noun] (BrE) expensive 指昂贵、价格高：◆Everything's so dear now, isn't it? 现在什么东西都那么贵，是不是？ NOTE This word is starting to become rather old-fashioned. 这词已开始有些过时了。

Patterns

• expensive/costly/overpriced/pricey for sb/sth
• expensive/costly to do sth
• very/too/fairly/quite/pretty expensive/costly/pricey