The Vietnamese word "mãn nguyện" is an adjective that means "content" or "satisfied." It describes a feeling of happiness and fulfillment when one's desires or expectations are met.
Tôi cảm thấy mãn nguyện khi hoàn thành dự án.
(I feel content when I complete the project.)
Sự mãn nguyện của họ khi nhận được giải thưởng thật sự rõ ràng.
(Their contentment when receiving the award was truly evident.)
While "mãn nguyện" primarily means "content," it can also connote a sense of completeness or fulfillment. It is often used to express emotional states related to happiness in both personal achievements and relationships.