1. That is an ironclad fact that is beyond controversy.
这是铁的事实，无庸置辩。
2. Actually, these selection rules are not ironclad.
实际上，这些选择规则并不是严格的。
3. To be united by an ironclad Bond
结不解缘
4. an ironclad contract; a watertight alibi.
不可动摇的契约；无懈可击的证词。
5.His memo is ironclad proof he was involved.
他的备忘录是他参与其中的铁证。
The contract was ironclad, leaving no room for negotiation.
这份合同坚如铁石，没有商量的余地。
The ship's armor was ironclad, making it virtually invulnerable to cannon fire.
船只的装甲坚不可摧，几乎不受炮火攻击。
His determination was ironclad; nothing could shake it.
他的决心坚如铁石，没有什么能动摇。
The legal agreement was ironclad, ensuring both parties would abide by its terms.
法律协议条款严谨，确保双方都必须遵守。
An ironclad rule in the military is that orders must be followed without question.
军队中的铁律是，命令必须无条件执行。
The company's reputation is an ironclad shield against negative publicity.
公司的声誉犹如铁甲，抵御负面新闻的侵袭。
His willpower was ironclad, allowing him to stick to his diet and exercise routine.
他的意志力坚如磐石，使他能够坚持节食和锻炼计划。
The government's commitment to social security is ironclad, promising protection for its citizens.
政府对社会保障的承诺坚定不移，保证公民的安全保障。
The ironclad lock on the safe made it impossible to break in.
铁锁的保险箱难以破解。
His resolve was ironclad, as he faced the challenges head-on.
他面对挑战时的决心坚不可摧。