/tə rɪˈpjuːdɪeɪt (tuː rɪˈnaʊns) əˈliːdʒəns/ – Phrase
Definition: vi phạm sự chung thủy.
A more thorough explanation: To repudiate allegiance means to formally renounce or reject one’s loyalty or allegiance to a particular country, government, or authority.
Example: The defendant decided to repudiate his allegiance to the gang and cooperate with the authorities.