compair to与compair with的区别

compair to与compair with的区别
compair to我记得意思是把...比作...
compair with把...与...进行比较
可是这句话中By compairing yourself to other peopel,you will find your problems are not so terribel的compair to意思却是把...与...进行比较的意思,这是为什么啊,我有点搞不懂,还是compair to有两种意思,麻烦哪位英语好的帮我指点一下