/tə rul ˌʌnkənˌstɪˈtuʃənəl/ – Phrase
Definition: công nhận không hợp hiến.
A more thorough explanation: To rule unconstitutional means to declare that a law, statute, regulation, or government action violates the provisions of a constitution and is therefore invalid and unenforceable.
Example: The court decided to rule unconstitutional the new law that restricted freedom of speech.