have a heart of stone

He must have a heart of stone.

他必须铁石心肠.

The sight would have moved a heart of stone, much more of flesh and blood.

这情景使铁石心肠也为之感动, 不消说血肉之躯了.

Yes, unless you have a heart of stone.

除非你铁石心肠, 你绝对会喜欢这部电影.

But if the person who "won your heart" does not love you, then you are sure to have a "broken heart." In your pain and sadness, you may decide that the person you loved is "hard-hearted," and in fact, has a "heart of stone."

但是如果“won your heart”的那个人并不爱你，你肯定会“broken heart”。在伤心痛苦的时候，你肯定会觉得你爱的那个人非常“hard-hearted”，实际上，是“heart of stone”。

If this happens, I might think that you have a heart of stone.

如果那样的话，我会觉得你是个铁石心肠的人。

To turn away your own son! You must have a heart of stone.

你要赶走亲生儿子! 你的心一定好狠.