/prəˈfɪʃnt ||; prəˈfɪʃənt/adj proficient (in/at sth/doing sth) able to do a particular thing well; skilled 精通的;熟练的:
We are looking for someone who is proficient in French. 我们正在找一个精通法语的人。 ➔proficiency noun [U]: proficiency (in sth/doing sth) a certificate of proficiency in English 英语程度证书