英语 深刻理解，熟练掌握，一般掌握，怎么说？

深刻理解英语：profound understanding。
例句：

1：沃尔什先生深刻理解选民最为关注的事项。
Mr Walsh has a keen appreciation of the priorities of the electorate 。
2：这部小说给我最大的教育意义则是一种对农民的深刻理解。
The novel gave me the greatest significance of education is a profound understanding of the farmers.
3：显示出通过的长期学习获得详细的知识和能够深刻理解。
Showing profound and detailed knowledge and understanding as from long study.
4：所以说深刻理解恐惧和理智之间的这种不平衡关系对于美国自治的设计是至关重要的。
Understanding this unequal relationship between fear and reason was crucial to the design of American self-government.
5：对于许多简单情况，不需要对这些概念的深刻理解。
For many simple situations, a deep understanding of these concepts is not
熟练掌握英语：Mastery。
例句：
1：熟练掌握信息管理和信息系统方面的基本理论、基本知识、方法和技能；
The student should grasp the theory, knowledge, methodology and technique in information management and information system.
2：熟练掌握了计算机的基本理论与应用技术。
Controled the basic theories and the application techniques of the calculator masterly.
3：熟练掌握软件开发和生产的方法和步骤，其中代码和用户说明文档尤为重要。
Gain proficiency in developing and producing software process artifacts, most importantly the code and user documentation.
4：要获得资格，学生必须具备高中毕业文凭并且可以熟练掌握英语的阅读和写作。
To gain eligibility, students must have a high school diploma and demonstrate proficiency in reading and writing English.
5：熟练掌握有关表述人的经历的单词和短语。
Master the words and phrases that describe people's experiences.
一般掌握英语：General Mastery。
掌握master; grasp; know well
例句：
1：“一致”是他谈论“我们一般所掌握的真理”的方式；
The "consensus" is his way of talking about the "truths we hold in common";
2：消防安全意识一般，掌握消防标示的学生只占一半左右。
Their awareness of fire safety is general, and only about half of the students understand the fire control sign.
3：我国少数民族学生一般熟练掌握两种语言，本民族语言和汉语。
Minority Students in China are generally proficient in two language, their native language and Chinese.
4：目的了解一般人群掌握艾滋病的知识水平。
Objective To acquire the level of AIDS preventive knowledge in general population.
5：认为其原因在于，我国一般用掌握体育的基本知识、基本技能和基本能力，塑造健康体魄，发展个性，进行思想品德和心理品质教育的陈述模式来确定体育教学目标。
The reason is that the objectives of PE are on the basis of "mastering basic knowledge, basic skill, basic ability of PE, cultivating healthy body, developing personality, building morality and psychological character".

A deep understanding of.....

have a good master of/in....

have proficient skill in...

deep understanding of
well disciplined
have a basic command of

A deep understanding of the operation of the database and familiarize themselves with analysis tools, in general have relevant industry knowledge