cố công
[ko˧˦ kəwŋ͡m˧˧]
In real, traceable use. Part of the curated seed collection; community review is coming.
Verb
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
cố công nghiên cứuto strive for extensive study
Wiktionary example (CC BY-SA 4.0)
Sources & notes
Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗
Common questions
What does “cố công” mean?
(verb) to strive
Is “cố công” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.