professional level

• 专业水平

Professional level的用法和样例：

例句

1. To my untutored ear, your voice sounds almost professional.
   照我这外行人听来，你的嗓音差不多够专业水平了。
2. The CIIA examination is an important part of the professional examination system of the securities industry of China.
   注册国际投资分析师考试是中国证券业专业水平体系的重要组成部分。