triền miên

== Vietnamese == === Etymology === Sino-Vietnamese word from 纏綿. === Pronunciation === (Hà Nội) IPA(key): [t͡ɕiən˨˩ miən˧˧] (Huế) IPA(key): [ʈiəŋ˦˩ miəŋ˧˧] (Saigon) IPA(key): [ʈiəŋ˨˩ miəŋ˧˧] === Adjective === triền miên perpetually; constantly; never-ending