In fact, this question cannot be generalized. It mainly depends on the situation, communication effect and the attitude of the audience. The following points may help to understand this phenomenon: 1. There is no necessary relationship between professionalism and accent. Professional ability is mainly reflected in knowledge, skills and communication effect. As long as the expression is clear and logical, the accent itself will not affect the professional image. Many people may have an accent in an international working environment, but this does not prevent them from being regarded as professionals. 2. The subjective impression and cultural background of the audience. Some listeners may be influenced by their own education, media and culture, and have prejudices against specific accents, thus linking "standard" Mandarin with "professional image". However, this view is gradually changing, and more and more people are beginning to pay attention to content and ability rather than external language performance. 3. Clarity and confidence in communication. The key is whether the communication is clear and effective. If Mandarin with an accent can make people understand the information accurately and reflect confidence and professionalism, then this accent can show personality and diversity, and sometimes even bring you closer to the audience. 4. Workplace environment and industry requirements. In some industries or specific occasions (such as broadcasting, speeches, hosting, etc.), the language standards may be higher; but for most workplaces, the core lies in professional knowledge and practical ability, not the perfection of the accent. In short, speaking Mandarin with an accent does not necessarily make people feel unprofessional. Developing good expression skills and self-confidence, and conveying information clearly and effectively, is often more important than pursuing "no accent". At the same time, society's tolerance for diversity and cultural differences is also increasing.