纸面上关于解说这两个词组的区别的文章很多，众说纷纭，有的难圆其说。今天就给大家分析一下，一次性消化掉：
compare to和compare with作为不分割开的词组用时，是可以通用的：与……相比；比……好（或差不多\相媲美）, 与…类似（或相似）
London is large, compared to (with) Paris.与巴黎相比，伦敦很大。
This house doesn't compare with（to） our previous one.
这房子比不上我们以前的。
The flowers here do not compare with（to） those at home
这儿的花比不上家乡的花。
My English cannot compare with（to） his.
我的英语不及他。
The room was light and lofty compared with（to） our Tudor ones
跟我们都铎风格的房间比起来，这个房间显得素雅而大气。
Compared with（to）him, I am a bungler.
与他相比，我是一个工作笨拙的人。
My own problems seem insignificant compared with（to） other people's.
与别人的问题相比，我自己的问题算不得什么。
I'm not as good as he is.; I can't compare with （to）him.
我不如他。
This school compares with the best in the country (= it is as good as them) .
这所学校可与全国最好的学校媲美。
此时，compare A and B | ~ A with/to B
It is interesting to compare their situation and ours.
把他们的状况与我们的相比很有意思。
这个不展开解说。
2.compare……to“把……比作……” 表明…与…相似，很多时候就是“比喻、拟人”句：
We often compare a teacher to a candle．
我们常把老师比喻成蜡烛。
The student compares his teacher to his mother.
这个学生把老师比作他的母亲。
Books can be compared to friends.
书籍好比朋友。
This little boy compares his dog to his best friend.
这个小男孩把他的狗比作最好的朋友。
We compare the Party to our mother.
我们把党比作我们的妈妈。
The critics compared his work to that of Martin Amis.
评论家把他的作品和马丁∙埃米斯的相提并论。
3. compare……to也可以表示：将……同……作比较；把……和……相比较
If you compare it to some of the other surveys that have been recently conducted, then it is in the general ballpark.
如果拿它与其他一些最近的调查作比较，结果大致相当。《柯林斯高阶英汉双解学习词典》
As human beings, we're primed to compare ourselves to each other in what is an anxiety-inducing phenomenon.
作为人类，我们总是倾向于去互相攀比，而这会使我们感到焦虑。
六级真题- 2019年 6月
Also, do your best not to compare yourself to others.
另外,尽量不要把自己和别人比较。
中考真题- 2017 河北
4. compare ……with表示：将……同……作比较；把……和……相比较（此时可以和compare……to换用，只是compare ……with运用更为广泛）
Please compare your translation with the model translation on the blackboard.
请把你们的翻译和黑板上的翻译例子相比较。
She compared her bag with mine.
她拿自己的书包跟我的作比较。
No other river on earth can compare with it.
世上没有哪条河能和它相比。
It's instructive to compare his technique with Alan Bennett's.
把他的手法与艾伦·贝内特进行比较很富启发意义。
But more than that, I now regularly compare my views with those of many others ．
但除此之外，我现在经常将自己的观点与其他许多人的进行比较。
高考真题- 2016 江苏
They compare their performances with those of more skilled people, and slowly make the changes.
他们将自己的表现与更熟练的人进行比较,并慢慢做出改变。
中考真题- 2016 山西
Other studies show that simply providing the facility for people to compare their energy use with the local average is enough to cause them to modify their behaviour.
其他研究表明，仅仅帮助人们将其能源消耗与当地平均水平进行比较就足以改变他们的行为。
六级真题- 2015年 12月
If I have a "new idea," I now quickly look to see whether somebody else has already thought of it, or something similar — and I then compare what I think with what others have thought ．
当我们有了“新点子”以后，我们会上网查看别人是否已经有了同样或者相似的观点，然后把自己的想法和别人的进行比较。
高考真题- 2016 江苏
You can compare your actual timetable with the planned one to see how well you actually use your time.
你可以比较一下实际时间表和计划时间表，看看你时间的实际使用情况。
中考真题- 2015 南宁
We carefully compared the first report with the second.
我们仔细比较了第一份报告和第二份报告。
Was it fair to compare independent schools with state schools?
拿私立学校与州立学校相比，这样公平吗？
《柯林斯高阶英汉双解学习词典》
最后总结：如果你实在记不住，只要记住用于比喻或拟人化的比较时用compare……to；其他的场合基本通用，不管是合在一起的，还是分开使用的。
