1、compare with 意为“把…,,,和…...比较(常表示同类相比、比较)”。如：
If you compare his work with hers，you'll find hers is much better. 要是把他俩的工作比较一下，就会发现她的工作好得多。
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。
He compared his camera with mine. 他把他的照相机跟我的比较。
The boy always compared his toys with other boys’toys. 这男孩总把他的玩具和其它男孩的玩具相比较。
2、compare to 意为“把......比.作..…(常表示异类相比、比喻)”。如：
We often compare teachers to candles．我们常把老师比喻成蜡烛。
Chinese people compare MZD to the sun. 中国人把MZD比作太阳。
Poets have compared sleep to death. 诗人将睡眠比作死。
Books can be compared to friends. 书可以比喻为朋友。