首要的英文：
the most important
The principal function of CPAs is auditing.
注册会计师的首要职责是审计。
The principal thing in this world is to keep one’s soul aloft. ——Christopher D.Morley
人生在世的首要大事是保持灵魂的高尚。——福楼拜
Above all
首先,首要
The premier occupies the foremost place in the world of politics.
首相是政界的首要人物。
Self-trust is the first secret of success.
自信是成功的首要秘诀。
The premier occupies the foremost place in the world of politics
首相是政界的首要人物。
We have the first prerequisite
我们具备首要的前提条件。
The fundamental question is a political one.
首要的问题是政治问题.
Economic problems must take precedency of other questions.
经济问题应作首要问题处理。
Your first duty is to your family.
你首要的责任是照顾家庭。
a.
重要的，重大的；有权力的，有地位的，有影响力的
be of importance;matter
有重要性;有关系
He is an important official in the government.
他是政府的要员。
This is important to the development of dairy industry.
这对乳品业的发展很重要。
Christmas is an important feast for Christians.
圣诞节是基督徒的重要节日。
(degree of)importance,seriousness or influence
重要性、严重性或影响力（的程度）