biết đủ thì vui means "contentment" (phrase). Contentment brings happiness.
How is biết đủ thì vui pronounced?
You can listen to biết đủ thì vui on this page in both Northern and Southern Vietnamese accents.
How is biết đủ thì vui used in a sentence?
For example: Biết đủ thì vui, không nên tham lam. (Contentment brings happiness; don't be greedy.); Ông ấy luôn sống biết đủ thì vui. (He has always been content and happy.).
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