查找信息

If you don't know the word, you can look it up in a dictionary.

向上看

She didn't look up to see him.

查找某人的地址

I looked your address up in the personnel file.

查找某人的联系方式

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

查找某事物的详细信息

I have looked it up in the encyclopedia.

在字典中查找新单词

You can look up new words in the dictionary.

在参考书或列表中查找事实或信息

If you look up a fact or a piece of information, you find it out by looking in something such as a reference book or a list.

这些例句涵盖了“look up”在不同语境下的用法，学生可以根据具体情境选择合适的句子进行练习。