| 词汇 | cast-iron |
| 释义 | Idiom cast-iron a cast-iron promise or arrangement is one that can be trusted completely.No new business comes with a cast-iron guarantee of success. (always before noun)cast-iron adjective irrefutable UK, 1943cast-ironReliable and unlikely to change. Always used before a noun. You can trust me, OK? I only make cast-iron promises. cast-ironBRITISH orcast ironmainly AMERICANA cast-iron guarantee, piece of evidence, etc. is absolutely certain and can definitely be believed. They are demanding cast-iron guarantees of a fair hearing. Even if one could visualize her as a murderer, she has a cast-iron alibi. They will punish you for being late, unless you've a cast-iron excuse. |
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