- 铁血主义 tiěxuèzhǔyì blood-and-iron policyA policy advocating for national unity and expansion through military force and power; originally referring to the political philosophy of the 19th-century Prussian Chancellor Bismarck.
- 铁血宰相 tiěxuèzǎixiàng Iron ChancellorNickname for Otto von Bismarck (1815-1898), the Prussian statesman and first Chancellor of Germany.
- 高铁血红蛋白 gāotiěxuèhóngdànbái methemoglobin