| English | Russian |
| be manifested by recurring errors of a persistent nature | проявляться в повторяющихся ошибках стойкого характера (Alex_Odeychuk) |
| by an error | по ошибке |
| by trial and error | путём проб и ошибок (Alexander Demidov) |
| by trial and error | набивая шишки |
| by trial and error | эмпирически |
| by trial and error | экспериментальным путём (By trying out several methods and discarding those which prove unsuccessful. CD Alexander Demidov) |
| find by trial and error | подобрать экспериментальным путём (Alexander Demidov) |
| selection by trial and error | подбор (Alexander Demidov) |
| something is in error by so-mach, so-many | погрешность в чем-либо составляет (столько-то) |