nghi tắc

== Vietnamese == === Alternative forms === nghi-tắc === Etymology === Sino-Vietnamese word from 儀則. === Pronunciation === (Hà Nội) IPA(key): [ŋi˧˧ tak̚˧˦] (Huế) IPA(key): [ŋɪj˧˧ tak̚˦˧˥] (Saigon) IPA(key): [ŋɪj˧˧ tak̚˦˥] === Noun === nghi tắc rule, principle, standard