look it up,up的对应词

look it up，up的对应词？

look up 的意思是向上看，抬头看，它的对应词是look down,意思是向下看，低头看.

与你look？

look in：顺便看望、短暂访问

例句：I decided to look in on Paul on my way home.我决定在回家的路上顺便拜访保罗。

look up:查寻、查找

例句：You should look up the right pronunciation of this word in the dictionary.你应该查字典找出这个单词的正确读音。You can look up this word in the vocabulary.你可以在词汇表里查这个词。

lookto和lookupto有什么意？

Looktosee=留意看/注意看/留神看

looktoseesth

looktosee+宾语从句

Looktoseewhethertheroadisclearbeforeyoucross.

看清没车时再过马路

them有什么区别？

look them up和look up them区别如下:

look them up,up是副词,后面不接宾语

完全倒装中,如果句子主语是具体名词,就完全倒装；句子主语是代词,就不需要用倒装

如：Here comes the teacher.

Here he comes!

此规则只适用于完全倒装,部分倒装没有这个限制

you是什么意思？

it is up to you：这取决于你 例句： 1、It is up to you to decide whether to go or stay. 由你决定走还是留下来。

2、It is up to you to determine the settings at this point. 这由您来决定在这个点上的设置。3、It is up to you how you design the business processes. 而由您负责如何设计业务流程。4、Life is sad at times, but it is up to you to make your own life happy. 生活有时是令人沮丧的，但你可以努力让自己的过得开心。5、However, it is up to you to come up with rule ideas and to determine how to identify them in source code. 但是，您现在该跟的上规则的思想，并决定怎样在源代码中识别它们了。