hạ giới

== Vietnamese == === Etymology === Sino-Vietnamese word from 下界, composed of 下 (“below”) and 界 (“world”). === Pronunciation === (Hà Nội) IPA(key): [haː˧˨ʔ zəːj˧˦] (Huế) IPA(key): [haː˨˩ʔ jəːj˨˩˦] (Saigon) IPA(key): [haː˨˩˨ jəːj˦˥] === Noun === hạ giới (mythology, folklore) the mortal world Synonyms: trần gian, cõi trần