adj.精通的，熟练的，娴熟的，训练有素的
n.能手，老手，专家

原形：proficient复数：proficients

Eric is proficient in many fields.
埃里克精通很多领域。
It doesn't look like she is proficient in golf.
她看起来不像是个打高尔夫球的专家。
Tom's proficient at his job.
汤姆的工作效率很高。
She is proficient in three languages, making her an asset in our multinational company.
她精通三种语言，在我们这家跨国公司中是一大财富。
After years of practice, he became proficient at playing the piano.
经过多年的练习，他钢琴演奏达到了熟练的程度。
The chef is highly proficient in preparing traditional Italian dishes.
这位厨师非常擅长准备传统意大利菜肴。
She has become proficient in coding through online courses and self-study.
通过在线课程和自学，她已经熟练掌握了编程技能。
As a proficient swimmer, he volunteers to teach children water safety during summers.
作为一名游泳高手，他在夏天自愿教授孩子们水上安全知识。
The athlete's proficiency in multiple sports makes him a versatile team member.
这位运动员在多项运动中的熟练技能使他成为团队中多才多艺的一员。
With years of experience, she is now proficient in managing complex projects.
凭借多年的经验，她现在擅长管理复杂的项目。
He gained proficiency in Spanish by living in Madrid for two years.
他在马德里住了两年，因此精通了西班牙语。
The software developer is proficient in several programming languages, including Python and Java.
这位软件开发者精通多种编程语言，包括Python和Java。
Her proficiency in data analysis helped identify key trends in customer behavior.
她在数据分析方面的熟练技能帮助识别了客户行为的关键趋势。