| English | Russian |
| cast-iron | чёткий (Meeting with the Chairman of the Joint Chiefs of Staff was a problem for the Director of the FBI. It was one of those Beltway oddities, a meeting where there was no cast-iron ranking. Who was superior? 4uzhoj) |
| cast-iron | железный (о здоровье, правилах и т.п.: The school's cast-iron policy on admissions fees left no leeway for needy students. • Ernest has a cast-iron constitution and never gets sick. 4uzhoj) |
| cast-iron constitution | железное здоровье (перен.: Ernest has a cast-iron constitution and never gets sick. 4uzhoj) |
