/ˈmɪləˌtɛri ˈsɜrvɪs/ – Phrase
Definition: công tác quân sự, phục vụ trong quân đội.
A more thorough explanation: Military service refers to the mandatory or voluntary participation in a country’s armed forces, typically involving training, deployment, and active duty in defense or support of national security interests.
Example: John was required to fulfill his military service by serving in the army for two years.