/tə rɪˈnaʊns ˈsɪtɪzənʃɪp/ – Phrase
Definition: từ bỏ quốc tịch.
A more thorough explanation: To renounce citizenship is to formally and voluntarily give up one’s citizenship or nationality, typically through a legal process or declaration. This act results in the individual no longer being considered a citizen of the country from which they have renounced their citizenship.
Example: John decided to renounce his citizenship in order to become a citizen of another country.