đầu quân
Meaning
2 senses
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To become a member of a specific team, unit, or organization to contribute to its goals and activities.
vi Cô ấy vừa mới đầu quân cho một công ty lớn.
en She has just joined a large company.
To officially join a military organization or the armed forces to serve as a professional soldier.
vi Anh ấy quyết định đầu quân để phục vụ tổ quốc.
en He decided to enlist to serve his country.