observer

noun

1. 观察者；观测者；目击者
   a person who watches sb/sth
   1. According to observers, the plane exploded shortly after take-off.
      据目击者说，飞机起飞后不久就爆炸了。
   2. To the casual observer (= somebody who does not pay much attention) , the system appears confusing.
      乍看起来，这个系统好像条理不清。
2. 观察员；旁听者
   a person who attends a meeting, lesson, etc. to listen and watch but not to take part
   1. A team of British officials were sent as observers to the conference.
      一组英国官员被派去做大会观察员。
3. 观察家；观察员；评论员
   a person who watches and studies particular events, situations, etc. and is therefore considered to be an expert on them
   1. a royal observer
      王室观察家

1. N-COUNT 观察者；观测者；目击者
   You can refer to someone who sees or notices something as an observer .
   1. A casual observer would have taken them to be three men out for an evening stroll...
      乍一看的话，还以为他们三人是晚上出来散步的。
   2. Observers say the woman pulled a knife out of the bunch of flowers and stabbed him in the neck.
      目击者说那名女子从花束中拔出一把刀来，扎进了他的颈部。
2. N-COUNT 观察家;评论员
   An observer is someone who studies current events and situations, especially in order to comment on them and predict what will happen next.
   1. Observers say the events of the weekend seem to have increased support for the opposition...
      观察家说周末发生的事件似乎为反对派赢得了更多支持。
   2. Political observers believe that a new cabinet may be formed shortly.
      政治观察家认为新内阁可能很快就会组建。
3. N-COUNT （监督重大事件或局势的）观察员
   An observer is a person who is sent to observe an important event or situation, especially in order to make sure it happens as it should, or so that they can tell other people about it.
   1. The president suggested that a UN observer should attend the conference.
      总统建议联合国应派一名观察员参加本次会议。

1. Even a casual observer could hardly have failed to notice the heightening of an already tense atmosphere.
   即便是不经意的旁观者也一定已经觉察到本就紧张的气氛进一步加剧了。
2. The current sole superpower is far from being a disinterested observer
   当前唯一的超级大国远不是一个公正的旁观者。
3. A second illustrative example was taken from The Observer newspaper
   另一个说明性的例子摘自《观察家报》。
4. As an impartial observer my analysis is supposed to be objective
   作为中立的观察员，我的分析应该客观。
5. A poll for the Observer showed Labour on 39 per cent with the Tories lagging a point behind
   《观察家报》一项民意调查显示，工党支持率为39%，保守党落后其1个百分点。
6. There is a lengthy article on Spike Milligan in the Observer newspaper.
   《观察家报》上有一篇关于斯派克·米利根的长篇文章。
7. The painting depicted a hall so lifelike that a casual observer might believe himself to be looking through an open door.
   这幅画描绘的厅堂如此逼真，若不细看，还真以为是从一扇开着的门往里看呢。
8. A casual observer would have taken them to be three men out for an evening stroll
   乍一看的话，还以为他们三人是晚上出来散步的。
9. Observers say the events of the weekend seem to have increased support for the opposition
   观察家说周末发生的事件似乎为反对派赢得了更多支持。
10. Political observers believe that a new cabinet may be formed shortly.
    政治观察家认为新内阁可能很快就会组建。
11. The president suggested that a UN observer should attend the conference.
    总统建议联合国应派一名观察员参加本次会议。
12. The Observer carries a big front-page picture of rioters in a litter-strewn street.
    《观察家报》在头版刊登了一张暴乱者聚集在满是垃圾的街头的大幅照片。
13. The talks took place in the presence of a diplomatic observer.
    会谈是在一位外交观察员在场的情况下进行的。
14. The Observer found the play 'a feeble rehash of familiar Miller themes'
    《观察家报》认为这部剧“是大家熟悉的米勒式主题的拙劣翻版”。
15. The observer should always make full notes about the atmospheric conditions.
    观测者要对大气条件作详细记录。
16. A close observer would have noticed it.
    若是一位细心的观察者，早就会注意到这个问题了。
17. He is always an observer of his promise.
    他始终遵守诺言。
18. The old man was sent along as an observer.
    那个老人被派做观察员。
19. To that observer, the large and small radii are physically equivalent.
    所以对观测者来说，大的半径和小的半径在物理上是等价的。
20. The robust state observer design problem for uncertain singular systems with D_stability constraints is discussed.
    研究了具有D稳定约束的不确定广义系统鲁棒状态观测器问题。
21. A fault accommodation approach based on fuzzy observer for nonlinear systems is presented in this paper.
    研究了基于模糊观测器的非线性系统的故障调节问题。
22. You are an observer, you observe everything around you.
    你是一个观察者，你观察你周围的一切。
23. It decreases the uncertain region of observer optimization position, based on the observer and target bearing distributing relationships.
    算法以目标和观测器的方位分布关系为基础，减小了观测器最优位置的搜索范围。
24. A new adaptive rotor flux observer design method is presented.
    本文给出了笼型感应电动机转子磁通自适应观测器的设计方法。
25. He is more of an observer than a major participant.
    他更多的观察员出席了会议的主要参与者比。
26. A sliding mode perturbation observer ( SPO) was designed for linearization of robot manipulators.
    为机械手线性化和随动控制设计了一种滑动模态扰动观测器。
27. Does she deceive India? India is an observer state to the Shanghai Co-operation Organisation.
    她是不是也骗了印度？印度是上海合作组织的观察员国。
28. I have also become more of an observer.
    我也变得越来越像一个昆虫观察家了。
29. I can attend the meetings as an observer but I have no voice in their discussions.
    我可以作为一名观察员出庭会议，但我在讨论中没有发言权。

  watcher audience observer onlooker spectator【导航词义：观看者】

  watcher n. 观察者

〔辨析〕指因爱好或工作而观察某人、某事物的人。

  audience n. 〈英〉观众，听众

〔辨析〕指戏剧、电影等的观众或演讲、音乐（会）等的听众，为集合名词；作主语时，若强调整体则其谓语动词用单数形式，若强调多个成员则其谓语动词用复数形式。

  observer n. 观察者，观察员

〔辨析〕指对某些事件、局势、事物等进行长期或定期观察的人，这些人被视为相关方面的专家。

  onlooker n. 旁观者，观看者

〔辨析〕指只在一旁静观事件发生或事态发展而不介入其中的人。

  spectator n. 观众，观看者

〔辨析〕尤指体育赛事的观众，也指某些公共活动（如演出、游行等）的观看者。

noun

1. a person who becomes aware (of things or events) through the senses

   Synonym:    perceiverpercipientbeholder

2. an expert who observes and comments on something

   Synonym:    commentator