1 عمومی:: غیر قابل تغییر وانحراف، لازم الاجراء، سخت ومحكم
شبکه مترجمین ایران
2 عمومی:: غیر قابل تغییر، اصلاح ناپذیر (قانون)، تغییرناپذیر
1 general:: Defined, fixed, invariable, as in We have hard and fast rules for this procedure. This term originally was applied to a vessel that has come out of water, either by running aground or being put in dry dock, and is therefore unable to move. By the mid-1800s it was being used figuratively.
American Heritage Idioms