名詞 cast iron:

1. an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting

形容詞 cast iron:

1. extremely robust
   同義詞：cast-iron, iron

1. They won't find her guilty. She's got a, cast-iron defence.
   他們無法給她定罪. 她的答辯無懈可擊。
2. Mr Black was a man of cast iron will.
   布萊克先生是個意志堅定的人。
3. Made of cast iron.
   鑄鐵的用鑄鐵制成的
4. He has a, cast-iron constitution.
   他的身體是鐵打的。