Having clean hands is one of the cardinal rules when preparing food.
双手洁净是准备食物时的一项最基本要求。
an issue of cardinal importance
至关重要的问题
Examples from the Corpus
cardinal• Our policy has but one cardinalprinciple, and that is the Encyclopedia.• In Gandhi's view, its cardinalsin is the way it tolerates untouchability.• Other particles could take on names of the cardinalvirtues.
cardinal rules• Having clean hands is one of the cardinal rules of food preparation.
Origincardinal1
1. (1100-1200)Medieval Latincardinalis, from Late Latin ( → CARDINAL2);
2. from the color of a cardinal's clothing
cardinal2
(1200-1300)Old FrenchLate Latincardinalis, from Latincardo“hinge” (= part that fastens something so that it can still move)