铁石心肠
tiěshí-xīnchángTraditional 鐵石心腸
heart of stone; hard-hearted
Every meaning
tiěshí-xīncháng
- heart of stone; hard-hearted
Its characters
- 铁tiěiron (metal)
- 石shístone; rock
- 心xīnheart
- 肠chángintestines
Words with 铁
Words with 石
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.