形容词

1. He is proficient in management.
他精通管理工作。

2. She is proficient at / in figure skating.
她精于花样滑冰。

名词

1. She is a proficient in music.
她是音乐行家。

1. 熟练的：Hubert Dreyfus所说的:由初学者 (novice),资深新手 (advanced beginner),能胜任的 (competent) 、熟练的 (proficient) 到专家 (expert). 事实上,杰出的医师并不是他比别人的知识更丰富,而是他比别的医师更有智慧,更聪明,

2. 精通,熟谙的：proffer 提供,提出 | proficient 精通,熟谙的 | profile 侧面像,轮廓

1. 精通的；熟练的
If you are proficient in something, you can do it well.

e.g. A great number of Egyptians are proficient in foreign languages.
很多埃及人都精通外语。

adj

1. having or showing knowledge and skill and aptitude

e.g. adept in handicrafts
an adept juggler
an expert job
a good mechanic
a practiced marksman
a proficient engineer
a lesser-known but no less skillful composer
the effect was achieved by skillful retouching

Synonym: adeptexpertgoodpracticedskillfulskilful

2. of or relating to technique or proficiency in a practical skill

e.g. his technical innovation was his brushwork
the technical dazzle of her dancing

Synonym: technical