1. Look straight, look up, look down, and blink your eyes.

向前看，向上看，向下看，眨眨眼。

2. You can look up, look down, look at the board or look at the teacher.

你可以向上看，向下看，看黑板或者看老师。

3. You may also have noticed that my apple trees bend over the fence and seem to look down at your children with interest.

你可能也注意到我的苹果树在篱笆上弯下腰来，好像在饶有兴趣地看着你的孩子。

4. I don't look down my nose at comedy.

我不轻视喜剧。

5. I look down and I'm standing next to a pile of crap!

我低头一看，我正站在一堆粪便旁边。

6. I must have a look down into the black caldrons.

我得朝那些黑罐子里看一看。

7. Lie down and look straight up through the branches, and climb a tree to look down the path.

你可以躺下来透过树枝直直地向上看，也可以爬上树从小路向下看。

8. The natives look down their noses at foreigners.

当地人看不起外国人。

9. Apparently, we look down on acquaintances more so than friends.

显然，比起朋友，我们更看不起熟人。

10. They fear that local students would look down upon and bully their children.

他们担心当地的学生会看不起和欺负他们的孩子。

11. People may be afraid of them, look down on them or think that they are criminals.

人们可能害怕他们、看不起他们或认为他们是罪犯。

12. Lie down and look straight up through the branches; climb a tree to look down the path.

躺下，透过树枝向上直视；爬上一棵树向下看。

13. She had to sit down on the dry, hard ground and look down into the valley and all about her.

她不得不坐在干燥坚硬的地面上，俯视着山谷和周围的一切。

PHRASAL VERB（在参考书、列表等中）查检（事实或信息）                                                    If you look u搜趣网p a fact or a piece of information, you find it out by looking in something such as a reference book or a list. 

       I looked your address up in the personnel file...

     我在人事档案里找wUEbbTThH到了你的地址。

     Many people have to look up the meaning of this word in the dictionary.

      这个词的意思很多人都要查字典才知道。

2.PHRASAL VERB拜访，探访，看望（久未见面的人）If you look someone up, you visit them after not having seen them for a long time. 

I'll try to look him up, ask him a few questions...

我会设法登门拜访，问他几个问题。

She looked up some friends of bygone years.

她去看望了一些过去的老朋友。

3.PHRASAL VERB改善；好转If a situation is looking up, it is improving. 

Things could be looking up in the computer industry.

计算机行业的情况可能会好转。

Third, it is very complex to look up the characters in a dictionary.

原因三：即使在字典中查汉字也是非常复杂

Head for the 2600 block of lemoyne avenue and look up.

走向勒莫因大道2600号大楼，抬头看看。

Through programmes 搜趣网offering cheap telescopes for the masses, teaching materials and global heritage projects, astron搜趣网omers are inviting us all to look up and ponder our place in the universe.

通过这个项目为大众提供廉价的望远//www.souquanme.com镜，学习的原材料和全球化的传统项目，天文学家正在引导我们所有人仰望上空，沉思我们在宇宙中的所在。

When people face an uncertain situation, they don't carefully evaluate the information or look up relevant statistics.

当人们面对不确定的状况时，通常不会谨慎地评估信息或者查找相关统计资料。

Information placed within a grid framework and aesthetically designed for ease of use provides an efficient way for people to look up and compare data.

将数据信息放置在格子框架中，经过精心的易用性设计，将为用户提供一种高效查阅和比较的手段。