1
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。
有经验的，熟练的，精通的
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有经验的，熟练的，精通的
having skill or experience from practice
He has a practiced eye for detail.
他对细节有训练有素的眼光。
熟练的,精通的,因练习而专业的
skillful, proficient, knowledgeable or expert as a result of practice
The practiced surgeon performed the operation with great precision.
这位有经验的外科医生以极高的精确度完成了手术。
Even though she was nervous, her practiced fingers found the correct notes on the piano.
尽管她很紧张，她熟练的手指还是在钢琴上找到了正确的音符。
His practiced negotiation skills helped the company secure a favorable deal.
他娴熟的谈判技巧帮助公司赢得了有利的交易。
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。
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。
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。
Not this
He practiced in surgery.
Use this
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。
Not this
She is practiced at playing the piano.
Use this
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'。
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Dictionary facts from ECDICT, WIKTIONARY.