important

adj.

1. 重要的；有重大影响的；有巨大价值的
   having a great effect on people or things; of great value
   1. an important decision/factor
      重要决定 / 因素
   2. I have an important announcement to make.
      我要宣布一件重要的事情。
   3. Money played an important role in his life.
      金钱在他的生活中扮演了重要的角色。
   4. Listening is an important part of the job.
      倾听是这项工作的一个重要部分。
   5. one of the most important collections of American art
      美国艺术的最有价值的收藏品之一
   6. It is important to follow the manufacturer's instructions.
      遵照厂家的说明很重要。
   7. It is important that he attend every day.
      他每天都要出席，这很重要。
   8. It is important that he should attend every day.
      他每天都要出席，这很重要。
   9. It is important for him to attend every day.
      他每天都要出席，这很重要。
   10. It's very important to me that you should be there.
       你应该到场，这对我很重要。
   11. The important thing is to keep trying.
       重要的是要不断尝试。
2. 影响很大的；权威的
   having great influence or authority
   1. an important member of the team
      举足轻重的一位队员
   2. He likes to feel important.
      他喜欢感到自己很重要。

1. ADJ-GRADED 重要的;必要的;非常有价值的
   Something that is important is very significant, is highly valued, or is necessary.
   1. Her sons are the most important thing in her life...
      她生命中最重要的是她的儿子们。
   2. The planned general strike represents an important economic challenge to the government...
      这场有计划的总罢工是政府面临的一个重大经济挑战。
   3. This gold is every bit as important to me as it is to you...
      这块金牌对你很重要，对我也一样重要。
   4. It's important to answer her questions as honestly as you can...
      尽可能如实回答她的问题非常重要。
   5. It was important that he rest.
      他很有必要休息一下。
2. ADJ-GRADED 有声望的;有影响的;显要的
   Someone who is important has influence or power within a society or a particular group.
   1. He was the most important person on the island.
      他是岛上最有声望的人。
   2. ...an important figure in the media world.
      传媒界很有影响力的人物

You do not use important to say that an amount or quantity is very large. Instead, you use words such as large, considerable, or substantial. …a large sum of money. …a man with considerable influence… Britain's armed forces face substantial cuts.
形容数量、数额巨大用 large, considerable 或 substantial 等词，而不用 important: a large sum of money (一大笔钱), a man with considerable influence (有相当影响力的人), Britain's armed forces face substantial cuts (英国的武装部队面临大规模裁军)。

1. American economists have made important contributions to the field of financial and corporate economics
   美国的经济学家们在金融和企业经济学领域做出了重要的贡献。
2. Without doubt this was the most important relationship I developed at college
   这无疑是我在大学时期建立的最重要的关系了。
3. The Church in Haiti has played an important role in the drive towards democracy.
   海地的教会在争取民主的运动中扮演了重要的角色。
4. The nation's electronics industry made important strides this year to even up its balance of trade
   该国的电子产业今年取得了重大进步，平衡了贸易差额。
5. My profession had an important influence in the formation of my character and temperament.
   我的职业对我性格和脾气的形成有重要的影响。
6. Her sons are the most important thing in her life
   她生命中最重要的是她的儿子们。
7. The planned general strike represents an important economic challenge to the government
   这场有计划的总罢工是政府面临的一个重大经济挑战。
8. This gold is every bit as important to me as it is to you
   这块金牌对你很重要，对我也一样重要。
9. It's important to answer her questions as honestly as you can
   尽可能如实回答她的问题非常重要。
10. It was important that he rest.
    他很有必要休息一下。
11. He was the most important person on the island.
    他是岛上最有声望的人。
12. The intellect is not the most important thing in life.
    才智不是生活中最重要的东西。
13. What's important at this juncture is the ability of the three republics to work together
    在这个关键时刻，最重要的是这3个共和国的合作能力。
14. It would have been rough justice had he been deprived of this important third European win.
    要是他被剥夺了这一意义重大的第三个欧洲冠军头衔，那对他简直是太不公平了。
15. In the name of humanity I ask the government to reappraise this important issue.
    我以人道的名义请求政府重新评估这一重大问题。
16. Respect is a very important part of any relationship.
    尊重是任何关系中都非常重要的部分。
17. The first and most important thing was to repair my relationship with my father.
    最首要和最重要的是挽救我和父亲的关系。
18. The phase of writing that is actually most important is revision
    实际上写作过程中最重要的阶段是修改。
19. The Middle East is the world's single most important source of oil.
    中东是世界上最为重要的一个产油地。
20. This question has a bearing on a much more important one.
    这个问题关系到一个更重要的问题。
21. Agriculture occupies an important place in the national economy.
    农业在国民经济中占有重要地位。
22. To develop agriculture is all important to the national economy and the people's livelihood.
    发展农业是有关国计民生的大事。
23. This region is becoming increasingly important both strategically and economically.
    这个地区的战略地位和经济地位变得越来越重要了。
24. This is even more important.
    这一点尤为重要。
25. There were many important events in this period.
    在这一时期里发生了许多重大的事件。
26. How can only one person have the final say on such an important matter?
    这么大的事怎么能一个人说了算？
27. This is an important task which the people have entrusted to us.
    这是人民赋予我们的重任。
28. Industry and agriculture are the two important sectors of the national economy.
    工业和农业是国民经济的两个重要部门。
29. He explained scientifically the most important questions of political economy.
    他科学地阐述了政治经济学中一些最重要的问题。
30. Could you have forgotten such an important matter?
    这么重要的事，难道你忘了吗？

  essential basic central chief crucial important main【导航词义：主要的，重要的】

  essential adj. 必要的，重要的，基本的

〔辨析〕语气较强，强调极其重要、必不可少的，暗含某物如缺少某部分，则失去其本质特征的意味。

  basic adj. 基本的，主要的

〔辨析〕指构成事物最重要、最根本部分的。

  central adj. 重要的，主要的

〔辨析〕强调相比较而言更重要或更有影响力的。

  chief adj. 最重要的，主要的，首席的

〔辨析〕强调最重要的或等级最高的，只作定语。

  crucial adj. 决定性的，关键的

〔辨析〕指处于某一重要转折点的，强调某事物非常重要，是其他事物依赖的对象。

  important adj. 重要的，重大的

〔辨析〕普通用词，指人有权威、有影响力的，或指事物意义重大、有价值的。

  main adj. 主要的，最重要的

〔辨析〕普通用词，多指同类事物中最大、最重要的。

adj

1. of extreme importance
   1. a crucial moment in his career
   2. a crucial election
   3. a crucial issue for women

   Synonym:    crucial

2. of great significance or value
   1. important people
   2. the important questions of the day

   Synonym:    of import

3. having or suggesting a consciousness of high position
   1. recited the decree with an important air
   2. took long important strides in the direction of his office

4. having authority or ascendancy or influence
   1. an important official
   2. the captain's authoritative manner

   Synonym:    authoritative

5. important in effect or meaning
   1. a significant change in tax laws
   2. a significant change in the Constitution
   3. a significant contribution
   4. significant details
   5. statistically significant

   Synonym:    significant