proficientKK [prɑˋfɪʃənt] /pɹɑˈfɪʃənt/发音形容词1精通的、熟练的、擅长的She is proficient in three languages and can translate legal documents.她精通三种语言,能够翻译法律文件。2技术纯熟的、水准够的After six months of practice, he became a proficient driver.练了六个月之后,他成为技术纯熟的驾驶。用这个字练口说→