在英语中，要看人的内心可以用以下几个短语来表示：

"read someone's mind"，意思是通过观察或推断来了解某人的内心想法。例如：

"I can't read her mind, but I have a feepng she's not happy with the way things are going."

"他的内心我看不透，但我感觉他对事情的发展并不满意。"

"get to the bottom of someone's heart"，意思是了解某人的内心深处，看透他们的本质。例如：

"I really want to get to the bottom of her heart and find out what she's really thinking."

"我真的很想了解她的内心深处，弄清楚她到底在想什么。"

"look into someone's heart"，意思是深入探究某人的内心，了解他们的想法和感受。例如：

"I tried to look into his heart and understand what was driving him to make those decisions."

"我试着深入探究他的内心，弄清楚是什么促使他做出这些决定。"

总的来说，这些短语的意思都是指通过一定的方式去了解某人的内心，包括他们的想法、感受和本质。