形容词

1. Expert opinions are favorable to the project.
专家的意见是赞成这一工程的。

2. At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的特别游泳池里，孩子甚至在会走路之前就能熟练地在水下屏住呼吸。

3. He became an expert language teacher.
他成了一个有经验的语言教师。

名词

1. She is an expert in training animals.
她是驯兽专家。

1. 专门的：非常简略地说,产业科学是所有者的(Propretary)、局部的(Local)、权威的(Authortaran)、定向的(Commssoned)和专门的(Expert)73. 它产生不一定公开的所有者知识. 它集中在局部的技术问题上,而不是总体认识上. 产业研究者在管理权威下做事,

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1. 行家;专家
An expert is a person who is very skilled at doing something or who knows a lot about a particular subject.

e.g. Our team of experts will be on hand to offer help and advice between 12 noon and 7pm daily.
每天中午12点到下午7点，我们的专家小组将随时提供帮助和建议。
e.g. ...a yoga expert.
瑜伽大师

2. 技术娴熟的;熟练的;在行的
Someone who is expert at doing something is very skilled at it.

e.g. The Japanese are expert at lowering manufacturing costs...
日本人在降低制造成本方面很在行。
e.g. There is a great deal to learn from Hal's expert approach.
从哈尔熟练的方法中可以学到很多。

noun

1. a person with special knowledge or ability who performs skillfully