ironclad
adjective[usually before noun]
uk/ˈaɪən.klæd/us/ˈaɪrn.klæd/verycertainandunlikelyto bechanged:
无法更改的,铁定的ironcladrules铁定的规则
Certainty
- (as) clear as dayidiom
- (as) sure as eggs is eggsidiom
- and that's flat!idiom
- assured
- assuredly
- decidedly
- deffo
- definite
- definitely
- definitive
- nailsomethingon
- nailed on
- natch
- not miss a beatidiom
- not miss/skip a beatidiom
- solidity
- squarely
- watertight
- would
- you can bet your lifeidiom