significant

adj.重要的；有意义的；有重大意义的；值得注意的

n.有意义的事物；象征，标志

adj.

1. 有重大意义的；显著的
   large or important enough to have an effect or to be noticed
   1. a highly significant discovery
      有重大意义的发现
   2. The results of the experiment are not statistically significant .
      从统计学的观点看，实验结果意义不明显。
   3. There are no significant differences between the two groups of students.
      这两组学生没有明显差别。
   4. Your work has shown a significant improvement.
      你的工作有了显著改进。
   5. It is significant that girls generally do better in examinations than boys.
      很明显，女生的考试成绩一般比男生的好。
2. 有某种意义的
   having a particular meaning
   1. It is significant that he changed his will only days before his death.
      他在临终前几天修改遗嘱，这很能说明问题。
3. 别有含义的；意味深长的
   having a special or secret meaning that is not understood by everyone
   1. a significant look/smile
      意味深长的眼神 / 微笑

significant 重要的，有意义的

sign,标记，记号，-fic,做，使，词源同 fact,efficient.引申比喻词义重要的，有意义的等。

1. You can look forward to a significant cash return by saving from as little as £ 10 a month
   只要每个月存下区区10英镑，你就有希望得到相当可观的现金收益。
2. Two significant constants have been found in a number of research studies.
   若干研究已经发现了两个重要常量。
3. The navy played a limited but significant role in defeating the rebellion
   海军在平息这场叛乱的过程中起到了有限但却十分重要的作用。
4. Police said there had been a significant development in the case.
   警方说此案已经有了重大进展。
5. Today's Security Council resolution will be a significant success for American diplomacy
   今天的安理会决议将是美国外交取得的一个重大成功。
6. The learner's attention needs to be directed to the significant features
   需要将学习者的注意力引向那些着重点上。
7. Britain's negotiators had ensured that the treaty which resulted was a significant change in direction
   英国谈判代表已经担保由此而签订的条约将是方向上的重大改变。
8. The White House has welcomed the Chinese decision and described it as a far-sighted, significant step.
   白宫对中国的决定表示欢迎，称其是富有远见、意义重大的举措。
9. Seemingly inconsequential details can sometimes contain significant clues.
   貌似无足轻重的细节有时可能隐含着重大的线索。
10. The elderly man may not be typical, but he speaks for a significant body of opinion
    这位老人也许并没有代表性，但他所说的话却代表着相当一部分人的观点。
11. When she died in 1946, her friends wanted to memorialize her in some significant way.
    她1946年去世的时候，她的朋友们希望以某种隆重的方式纪念她。
12. The offer of talks with Moscow marks a significant change from the previous western position
    提议与莫斯科举行会谈标志着西方立场的重大转变。
13. There are significant parallels with the 1980s
    与20世纪80年代有明显相似之处。
14. Insurance can represent a significant portion of the total price of a holiday.
    度假总费用里保险费可能会占据相当大的一部分。
15. In recent months, the rebels have scored some significant victories
    最近几个月里，叛乱分子已经取得了一些不小的胜利。
16. The accident is already shaping up as a significant environmental disaster
    这次事故已经造成严重的环境灾难。
17. A small but significant number of 11-year-olds are illiterate.
    数量不多但仍有相当一部分11岁孩子是文盲。
18. It is the first drug that seems to have a very significant effect on this disease.
    这是第一种似乎对该病有显著疗效的药物。
19. Time would appear to be the significant factor in this whole drama.
    时间似乎是整部剧中一个举足轻重的因素。
20. I think it was significant that he never knew his own father.
    我认为他从不知道他自己的父亲是谁这点很重要。
21. Mrs Bycraft gave Rose a significant glance.
    拜克拉夫特夫人意味深长地瞥了罗丝一眼。
22. There were significant similarities between mother and son
    母子之间有很多相像的地方。
23. There was a significant decline in the size of the business as the company transitioned to an intellectual property company.
    随着公司向知识产权公司转型，其业务规模显著下降。
24. The mass media have been vested with significant power as social and political agents in modern developed societies
    在现代发达社会中，作为社会和政治媒介，大众传媒被赋予了很大的权力。
25. A significant exhibition of contemporary sculpture will be on view at the Portland Gallery.
    一场关于当代雕塑的重要展览即将在波特兰美术馆开展。
26. You may remember the way each scene ended with someone looking pensive or significant.
    你或许还记得，每一场的结尾要么是某人作沉思状，要么是某人故作深沉。
27. He has won over a significant number of the left-wing deputies
    他争取到了相当数量的左翼代表的支持。
28. The move stopped the pound's decline but failed to bring about a significant rally.
    这个行动制止了英镑的下跌，但是未能使比价有很大上升。
29. What he says is significant.
    他的话意味深长。
30. What he said was brief but significant.
    他的讲话虽然简短，可是非常有意思。