| English | Russian |
| be going off the rails | соскакивать с катушек (Alex_Odeychuk) |
| be going off the rails | съехать с катушек (Alex_Odeychuk) |
| be going off the rails | двинуться мозгами (Alex_Odeychuk) |
| get off the rails | сойти с правильного пути (to start behaving in a way that is not generally acceptable, especially dishonestly or illegally: He went off the rails in his first year at university. Bullfinch) |
| go off the rails | пойти наперекосяк (Abysslooker) |
| go off the rails | съехать с катушек (Lascutik) |
| off-the-rails | свихнувшийся (Andrey Truhachev) |
| off-the-rails | рехнувшийся (Andrey Truhachev) |
| off-the-rails | спятивший (Andrey Truhachev) |