bất tất

== Vietnamese == === Etymology === Sino-Vietnamese word from 不必, composed of 不 (“not”) and 必 (“certainly”). === Pronunciation === (Hà Nội) IPA(key): [ʔɓət̚˧˦ tət̚˧˦] (Huế) IPA(key): [ʔɓək̚˦˧˥ tək̚˦˧˥] (Saigon) IPA(key): [ʔɓək̚˦˥ tək̚˦˥] === Adverb === bất tất (archaic, rare) not necessarily === Verb === bất tất (archaic, rare) to not be necessary to