/tu ədˈhɪər tu ə ˈtriːti/ – Phrase
Definition: gia nhập một hiệp ước.
A more thorough explanation: To adhere to a treaty means to formally accept, agree to, and abide by the terms and conditions set forth in a legally binding agreement between two or more parties, typically between nations or states.
Example: The country agreed to adhere to the terms of the treaty signed with its neighboring nation.