将心比心用英语可以表示为"put oneself in someone else's shoes"，意思是指想象一下自己处在别人的位置上，尝试理解别人的想法或感受。这个短语可能源自于英语谚语"to walk a mile in someone else's shoes"，意思是在别人的位置上走一英里，因此，将心比心也可以表示为"to walk a mile in someone else's shoes"。

例句：

Before you judge someone, try to put yourself in their shoes.

在你批判别人之前，先将心比心。

If you want to understand what someone is going through, try to walk a mile in their shoes.

如果你想了解别人的处境，试着将心比心。