precious/costly/dear/expensive/valuable.导航词义：贵重的，昂贵的

1. precious:adj. 贵重的.强调稀有且价值不菲的。

precious vases

稀世花瓶

There is a crown set with precious jewels in his safe.

他保险箱里有一个嵌满贵重宝石的王冠。

2. costly:adj. 昂贵的.较正式用词，指花费太多钱的，尤指超过愿意支付的价钱的。

Such a set of furniture would be extremely costly to buy.

买这么一套家具要花很多钱。

He wanted to know how to avoid costly legal proceedings.

他想知道如何避开昂贵的法律诉讼。

3. dear:adj. 昂贵的.指价格贵的，通常作表语。

Cars are dearer in Britain than in Europe.

汽车在英国比在欧洲要贵。

Everything is so dear now.

现在什么东西都这么贵。

4. expensive:adj. 昂贵的.强调花钱多、价格高的。

This apartment is too expensive for me to buy.

这套公寓太贵了，我买不起。

They went to the most expensive restaurant in town to celebrate her birthday.

他们去城里最贵的餐馆庆祝她的生日。

5. valuable:adj. 贵重的.强调十分值钱的。

His wife was wondering where he put their most valuable belongings.

他的妻子很想知道他把他们最值钱的财物放在哪里。

Two valuable paintings were stolen from that museum last night.

那个博物馆昨晚有两幅名贵的画失窃。

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1·Would you like a drink, dear?

喝点什么吗，亲爱的？《牛津词典》

2·Dear old Sue! I knew she'd help.

亲爱的休啊！我知道她会帮忙的。《牛津词典》

3·My dear girl, you're wrong.

我亲爱的姑娘，你错了。《牛津词典》

4·You're a lot like me, dear.

你和我太像了，亲爱的。《柯林斯英汉双解大词典》

5·What's your name, dear?

你叫什么名字，亲爱的？《牛津词典》

6·I think you've made your point, dear.

我想你已经证明了你的论点，亲爱的。《柯林斯英汉双解大词典》

7·Mrs. Cavendish is a dear friend of mine.

凯文迪许太太是我亲爱的朋友。《柯林斯英汉双解大词典》

8·Isn't he a dear?

他不是很可爱吗？《牛津词典》

9·Dear boy, she crooned, hugging him heartily.

“亲爱的男孩儿，”她热烈地拥抱着他，柔情地说道。《柯林斯英汉双解大词典》

10·'Oh dear!' she cried, clapping a hand over her mouth.

“哎呀！”她叫道，突然用手捂住了嘴。《牛津词典》

亲爱的

1·Would you like a drink, dear?

喝点什么吗，亲爱的？《牛津词典》

2·My dear girl, you're wrong.

我亲爱的姑娘，你错了。《牛津词典》

3·You're a lot like me, dear.

你和我太像了，亲爱的。《柯林斯英汉双解大词典》

4·I think you've made your point, dear.

我想你已经证明了你的论点，亲爱的。《柯林斯英汉双解大词典》

5·What's your name, dear?

你叫什么名字，亲爱的？《牛津词典》

亲爱

1·Dear friends, the young Diaoyutai State Guest Hotel in the ancient city of Beijing is the focus of the whole world tonight.

亲爱朋友们，古老北京年轻的钓鱼台国宾馆已成为全世界万众瞩目的焦点。

2·We'll love each other dear forever.

我们会彼此相爱亲爱永远。

3·Our mission is to open the way for any dear Soul who expresses a desire to return to harmony. Know that each of you is making a difference.

我们的任务是要为所有表达出要回归和谐之渴望的亲爱灵魂们开路，要知道你们每一个人都可以发挥作用。

4·My dear friends, I have kept some words in my heart for a long time.

我的亲爱朋友，在我心里有一些话保存了很长时间。

5·Yet, after all, as a friend and companion, I hope never to become quite distasteful to my dear master.

不过毕竟作为朋友和伙伴，我希望决不要太讨我亲爱主人的嫌。

昂贵

1·Diamonds are very dear.

钻石价格非常昂贵。

2·Credit for the rest of the economy will become more dear as well, worsening the recession.

而其他国家的信贷将会变得更加昂贵，使得衰退进一步恶化。

3·Those who wish to have a gallon or so of silicon in their bodies will often pay a dear price.

那些想在身体上塞入一加仑或更多硅酮的人将会付上昂贵的代价。

4·THE dollar's recent revival has made fewer currencies look dear against the Big Mac index, our lighthearted guide to exchange rates.

近期美元的复苏使得以巨无霸指数为标准，越来越少的货币显得昂贵。

5·I don't think one can or should put most of the blame for the 2008 output collapse or the weak recovery on dear oil, but I do think there is a story here that is important.

我不认同人们可能或应该将2008年狂泻的产出或者经济复苏的无力归罪于石油的昂贵，但却坚信事出必有因。

乖乖

1·Their baby's a dear little thing.

他们的宝宝真是个小乖乖。《牛津词典》

2·Ha! Ha! My dear, you are acting beautifully.

哈哈！我的乖乖，你的戏演得好极了。

3·Don't run away. My little dear!

别跑，我的小乖乖。

可爱的

1·Isn't he a dear?

他不是很可爱吗？《牛津词典》

2·What a dear little puppy it was!

这只小狗多可爱啊！

3·Those dear little creatures were so happy to feel safe and warm again.

再次感到安全和温暖让这些可爱的小动物很高兴。

4·I was clinging on for dear life, she said.

“我当时竭力保住这些可爱的小生命。”她说道。

5·Dost thou know, Hester, said Arthur Dimmesdale, with an unquiet smile, that this dear child, tripping about always at thy side, hath caused me many an alarm?

“你知道，海丝特，”阿瑟·丁梅斯代尔带着不安的微笑说，“这个总是在你身边蹦蹦跳跳的可爱的孩子，曾经多次引起我心惊肉跳吗？”

哎呀

1·Praed: (again beaming) thank you, my dear Miss Warren; thank you. Dear me! I'm so glad your mother hasn't spoilt you!

普瑞德：(又面露喜色)谢谢，我亲爱的华伦小姐！谢谢你！哎呀，我真高兴你母亲没有把你宠坏！

2·His grandma who held him said to him: dear, are you shamed of crying as soon as the other person has a touch on you?

抱着他的外婆边哄边说：“哎呀，别人碰你一下，就哭了呀，好意思伐？”

可爱的人

1·Isn't she a dear!

她真是个可爱的人！

2·He is such a dear.

他是如此可爱的人。

(1)dear friend亲密朋友

(1)dear john（美）女友给男方的绝交信

(1)dear john letter绝交信

(1)dear john letter (from woman to man)断交信

(1)for dear life拼命地， 不顾死活地

(1)dear sir or madam尊敬的先生或女士（信笺的开头语）