/ˈdjuːli ˈkwɒlɪfaɪd/ – Phrase
Definition: 1. có thẩm quyền cần thiết;
2. có trình độ chuyên môn tương ứng.
A more thorough explanation: “Duly qualified” refers to meeting all necessary requirements, standards, or qualifications as specified by law, regulation, or authority.
Example: The attorney was duly qualified to represent the client in court, having passed the bar exam and obtained the necessary licenses.