心如铁石xīn rú tiě shí

one’s heart is as firm as a rock; stone-hearted
❍ 子龙从我于患难，～，非富贵所能动摇也。(《三国演义》 360) He has followed me faithfully through all my misfortunes. His heart is firm as a rock.No riches or honours would move him.

• magic
• magician
• magistrate
• magnet
• magnetic
• magnetism
• magnificent
• magnify
• magnitude
• maid
• maiden
• mail
• mailbox
• main
• maine
• mainframe
• mainland
• mainly
• mainstream
• maintain
• maintenance
• majesty
• major
• majority
• make