/ˈbɛlɪdʒərənt ˈneɪʃən/ – Phrase
Definition: quốc gia tham chiến.
A more thorough explanation: A belligerent nation refers to a country that is engaged in war or conflict with another nation or nations. It is a legal term used to describe a state that is actively participating in hostilities or armed aggression against another state.
Example: The United Nations imposed sanctions on the belligerent nation for its aggressive actions towards its neighboring countries.