/triːti əv əˈlaɪəns/ – Phrase
Definition: hiệp ước liên minh.
A more thorough explanation: A treaty of alliance is a formal agreement between two or more sovereign states to cooperate and support each other in matters of mutual interest, such as defense, security, or trade. It outlines the terms and conditions of the alliance and the obligations of each party involved.
Example: The two countries signed a treaty of alliance to strengthen their military cooperation and mutual defense.