Word
practiced
/ˈpræktəst/
adjective
有经验的，熟练的，精通的
having skill or experience from practice
- 1.
skillful, proficient, knowledgeable or expert as a result of practice
熟练的,精通的,因练习而专业的
熟练的,精通的,因练习而专业的；有经验的；熟练的；精通的
In use
The practiced surgeon performed the operation with great precision.
Even though she was nervous, her practiced fingers found the correct notes on the piano.
His practiced negotiation skills helped the company secure a favorable deal.
practiced + noun
practiced 作前置定语，修饰名词。
He has a practiced eye for detail.
他对细节有训练有素的眼光。
be practiced in + noun/doing
表示在某方面有经验，in 后接名词或动名词。
She is practiced in negotiating contracts.
她在谈判合同方面很熟练。
practiced at + noun/doing
与 be practiced in 类似，但更强调技能娴熟。
They are practiced at solving complex problems.
他们擅长解决复杂问题。
Common mistakes
He practiced in surgery.He is practiced in surgery.
形容词 'practiced' 作表语时，前面必须加系动词 'be'。中文里 '有经验' 可直接作谓语，但英语中形容词不能单独作谓语。
She is practiced at playing the piano.She is practiced in playing the piano.
形容词 'practiced' 表示 '熟练的、有经验的'，通常与介词 'in' 连用，表示在某方面熟练，而不是用 'at'。
Connections
Dictionary facts from ECDICT, WIKTIONARY.