音标：['prinsipәl] ；柯林斯词典等级：3 级；

n. 校长, 首长, 本金, 主犯, 资本, 委托人
a. 主要的, 最重要的, 首要的

n. the original amount of a debt on which interest is calculated
n. the educator who has executive authority for a school
n. capital as contrasted with the income derived from it
n. (criminal law) any person involved in a criminal offense, regardless of whether the person profits from such involvement

词型变化：名词复数形式 : principals
考试类型：[四级/六级/考研/托福/IELTS/GRE]

词性分布：

名词51%

形容词49%

principal的用法和样例：

例句

用作形容词(adj.)

Our principal problem is lack of time.我们的主要问题就是缺少时间。
My wages are the principal source of my income.薪金是我收入的主要来源。
My principal concern is my family's welfare.我至为关心的是我一家的幸福。

用作名词(n.)

How much interest will there be on a principal of $5000?5000美元本金的利息是多少？
Mr.Charlie Wang is a Principal of Pangaea and responsible for capital management.王岩先生现任磐石基金执行董事，负责资本管理。
The principal or capital,as distinguished from the interest or income,as of a fund or estate.资金，基金或资产的本金或资本，以区别于利息或收入。
When I came into the office, the principal rose to welcome me.当我走进办公室时,校长起身欢迎我。
He is going to fill the position of principal.他将去担任中学校长的职务。
She danced the principal role in the ballet.她在这个芭蕾舞中担任主角。
Through it all Richard Nixon moved as if he were himself a spectator, not the principal.尼克松自始至终表现得象旁观者，而不是主角。
The agent spoke on behalf of his principal.代理人代表他的委托人说话。
I will have to consult my principals before I can give you an answer on that.我必须同我的委托人磋商后才能就这个问题给你答复。
Indeed I was the principal in the crime.我真正做了这个罪恶的主犯。
Shall I work underground, bribing the paltry assistants in that foul conspiracy, until I find my way to the thrice guilty principal?我要不要秘密进行追究，贿赂那肮脏密谋中的可鄙助手，直至我找到线索挖出那三倍有罪的主犯？

常见句型

用作形容词(adj.)

用作定语～+ n.

Drinking is a principal cause of highway deaths.酗酒是公路死亡事故的最重要的原因。
She has been the principal dancer in our ballet for ten years.十年来她一直是我们芭蕾舞团的台柱演员。

用作名词(n.)

He is the principal of this school.他是该学校的校长。
There is a shortage of principal.资金有些短缺。
I must consult my principals.我得同委托人商量一下。

词汇搭配

用作形容词 (adj.)

～+名词

principal food主要食物
principal interest本利
principal offender主犯
principal sum本金

用作名词 (n.)

动词+～

consult the principal与委托人商量
pay off the principal and interest付清本息

名词+～

school principal校长

介词+～

as a principal作为主犯

～+介词

principal in the first degree主犯
the principal of college学院院长

经典引文

His principal and most successful business venture.
出自：J. Thurber
The principal source of information.
出自：N. Gordimer

【近义词】

adj.

dean
headmaster

【反义词】

adj.

least
minor

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