Terms for subject Idiomatic containing rule

English	Russian
as a rule of thumb	в качестве общего правила (Andrey Truhachev)
as a rule of thumb	характерно (Liv Bliss)
as a rule of thumb	в виде общего правила (Andrey Truhachev)
break every rule in the book	беспредельничать (Valeriia21)
break every rule in the book	нарушить все писаные правила (Valeriia21)
bright-line rule	чёткий (A clear-cut Interex)
bright-line rule	отчётливый (Interex)
bright-line rule	чётко определённое правило (A clearly defined rule or standard Interex)
bright-line rule	ясный (Interex)
bright-line rule	стандарт (Interex)
hornbook rule	прописная истина (Stas-Soleil)
hornbook rule	азбучная истина (Stas-Soleil)
lay down the rule	диктовать свои условия (VLZ_58)
lay down the rule	устанавливать свои порядки (VLZ_58)
rule or ruin	принцип "властвовать или разрушить" (A_Tribunsky)
rule or ruin	принцип "либо мне, либо никому" (A_Tribunsky)
the rule of thumb is that	как правило (Millennials (born 1985-2004) are the largest generation ever born in America (88 million) and even outnumber the Boomers. He suggested they influenced the outcome of the recent presidential election, as some 16 million new voters entered the ranks in 2020, while some 8 million older voters died off. The rule of thumb, according to Gronbach, is that younger voters tend to be more liberal, and older ones more conservative. coasttocoastam.com)
there is no rule without an exception	нет правила без исключения
throw the rule book out of the window	нарушать правила (Халеев)
throw the rule book out of the window	играть не по правилам (Халеев)
throw the rule book out of the window	нарушить правила (Халеев)