The Vietnamese word "hứ" is an expressive interjection often used to convey feelings of discontent, annoyance, or defiance. It can be likened to an exclamation like "huh," "hmph," or "hell" in English, often used to show disagreement or to express a strong reaction to something unpleasant.
"Hứ" is a versatile expression used to show discontent or annoyance in Vietnamese.