uyên-áo (adjective) means "profound and esoteric".
How do you pronounce uyên-áo?
IPA: Hanoi [ʔwiən˧˧ ʔaːw˧˦]; Saigon [(ʔ)wiəŋ˧˧ ʔaːw˦˥].
Meanings, pronunciation and etymology from English Wiktionary (wiktionary.org, via kaikki.org; CC BY-SA 4.0), reviewed and edited. IPA shown for three accents: Hanoi (Northern), Huế (Central) and Saigon (Southern). The Listen button uses your browser's Vietnamese voice, for reference only. Spotted a mistake? Let NgonNgu know.