This is the 71st most frequent Vietnamese word.
cuộc
The Vietnamese word "cuộc" means "event," "occasion," "activity," or is used as a classifier for certain events or situations.
Here, 'cuộc' is used to describe the overarching concept of life (cuộc sống). It situates the context as a conceptual or metaphysical noun.
Cuộc sống của con người rất thú vị.
Human life is very interesting.
In this sentence, 'cuộc' is used as a quantifier to specify an occurrence or single event (cuộc họp—meeting). It applies to structured events or activities.
Cuộc họp diễn ra vào buổi sáng.
The meeting took place in the morning.
Here, 'cuộc' denotes a specific instance of an organized activity (cuộc thi chạy—running competition). It emphasizes the individual occurrence.