created sense approved 铁打/鐵打 · tiědǎ · made of iron
铁打 / 鐵打
tiědǎ
made of iron
physically forged or constructed from iron
这个铁打的锁头非常坚固。
created sense approved 铁打/鐵打 · tiědǎ · strong as iron
铁打 / 鐵打
tiědǎ
strong as iron
possessing an exceptionally strong or resilient physical constitution
即使是铁打的汉子也经不起这样的折磨。