n.精通，熟练

Eric has acquired proficiency in English.
埃里克已精通英语。
Mary has a high proficiency level in English.
玛丽英语的熟练等级很高。
She has a high level of proficiency in Spanish, which allows her to communicate fluently with native speakers.
她精通西班牙语，能流利地与母语者交流。
The pianist's proficiency in performing complex pieces is truly remarkable.
这位钢琴家演奏复杂曲目的熟练程度确实令人赞叹。
To land the job, you must demonstrate proficiency in Microsoft Office Suite.
为了得到这份工作，你必须展示出对微软办公软件的熟练掌握。
His coding proficiency has significantly contributed to the success of the project.
他的编程技能对项目的成功做出了重大贡献。
After years of practice, she achieved great proficiency in archery.
经过多年的练习，她在射箭方面达到了很高的水平。
The athlete's proficiency in swimming earned him a spot on the national team.
这位运动员的游泳技能使他获得了国家队的位置。
Her language proficiency allowed her to immerse herself in the local culture during her travels.
她的语言能力使她在旅行中能够深入当地文化。
The candidate's proficiency in public speaking left a lasting impression on the interview panel.
候选人出色的公众演讲技巧给面试小组留下了深刻的印象。
To enhance their proficiency, the sales team underwent extensive training on product knowledge.
为了提高他们的熟练程度，销售团队接受了全面的产品知识培训。
His proficiency in problem-solving often saves the company from potential crises.
他解决问题的能力常常使公司免于潜在危机。