1. danci.edu.pub

1. Once the principal contradiction is grasped, all problems will be readily solved.
    一旦抓住了主要矛盾，一切问题就迎刃而解。

2. Drinking is a principal cause of traffic accidents.
    酗酒是交通事故的主要原因。

1. principal

1. The principal spoke with disapproval of your words and actions.
    校长谈到你的言行时很不赞成。

2. principal

2. The school principal read the honor roll list.
    校长宣读优秀生名单。

3. I must consult my principal.
    我必须同委托人商量。

A：What happened to Pat this morning? I saw him leave the classroom soon after the exam began.
      帕特上午怎么了？我见他考试一开始就离开了教室。

B：He was found cheating and was driven out.
      他被发现作弊，被老师赶了出来。

A：If the principal caught him cheating, he would skin him alive.
      如果校长发现他作弊的话，会活剥了他他的皮。

1. 首要的；最主要的；最重要的
    Principal means first in order of importance.

    e.g. The principal reason for my change of mind is this.
           这是我改变主意的最主要原因。
    e.g. ...the country''s principal source of foreign exchange earnings...
           这个国家最主要的外汇收入来源

2. （中小学）校长；（英国）大学校长，学院院长
    The principal of a school, or in Britain the principal of a college, is the person in charge of the school or college.

    e.g. Donald King is the principal of Dartmouth High School.
           唐纳德·金是达特茅斯中学的校长。

1. the major party to a financial transaction at a stock exchange
    buys and sells for his own account

    Synonym: dealer

2. the educator who has executive authority for a school

    e.g. she sent unruly pupils to see the principal

    Synonym: school principalhead teacherhead

3. (criminal law) any person involved in a criminal offense, regardless of whether the person profits from such involvement

4. an actor who plays a principal role

    Synonym: starlead

5. capital as contrasted with the income derived from it

    Synonym: corpusprincipal sum

6. the original amount of a debt on which interest is calculated