内行的英文：
expert
experienced

参考例句：

A flamboyant charlatan.
假冒内行的人夸夸其谈的假冒内行的人

A hotelier is a professional in the hotel business
旅馆经理是旅馆业的内行。

Where margaret was really in her element, however, was decorating
而玛格丽特真正内行的是装饰。

A musical snob
自以为对音乐内行的人

A highly professional administrator
一位非常内行的管理人员

When it comes to photography, I'm not an adept.
要说照相，我不是内行。

The new publicity manager is really on the ball.
新的宣传部主任确实很内行.

To her expert eye, the painting was terrible.
她以内行的眼光看，这幅画糟透了。

Having or showing the skill or qualities of a professional person
具有专门知识的;表现专门技能的;内行的

The state or quality of being proficient; competence.
熟练，精通熟练的性质或状态;内行

expert是什么意思：
n. 专家；行家；能手
adj. 熟练的；老练的；内行的

He is an expert in language training.
他是语言培训的专家。

The scientist is an expert in the field of Biochemistry.
这位科学家是生化学领域中的专家。

Configuration is a necessity for expert users.
对于专家用户来说，配置是必需的。

In these matters Olympias was an expert and an enthusiast
在这些事情上，奥林匹阿斯是个内行，是个热衷的人。

The product needs an expert evaluation.
这种产品需要专家评估。

experienced是什么意思：
adj. 有经验的，经验丰富的；老练的，有见识的

Popular art is experiencing a renaissance.
通俗艺术正在复兴。

She is shrewd, capable, and experienced.
她精明干练。

He is so experienced in the construction trade.
他在建筑这一行经验丰富。

The management manned the ship with experienced hands.
管理部门给这条船配置了有经验的人员。

The experienced and accomplished person has passed away
老成凋谢