observer
Longman Dictionary of Contemporary English 5++LDOCE 5++ob·serv·er /əbˈzɜːvə $ -ɜːrvər/ ●●○ noun [countable] 1 WATCHsomeone who regularly watches or pays attention to particular things, events, situations etc 观察者，观察员observer of an observer of nature 观察大自然的人 political observers 政治观察员 Observers are predicting a fall in interest rates. 观察员预测利率会下降。2 CHECK/MAKE SUREsomeone who attends meetings, classes, events etc to check what is happening 〔会议、事件等的〕观察员；〔课程的〕旁听者 The UN sent observers to the peace talks. 联合国派遣观察员参加和谈。 Independent observers monitored the elections. 独立观察员对大选进行了监督。3 SEENOTICEsomeone who sees or looks at something 目击者 reports from observers at sea and on dry land 来自海上和陆地的目击者报告casual observer (=someone looking at something but not very carefully) 粗心的观察者 A casual observer would have guessed his age at 70. 要是不仔细看，可能会猜他的年龄是70岁。
Examples from the Corpus
observer• She's been sent as an observer to the UN aid conference.• Hundreds of astonished observers, including one with a movie camera, saw the fireball from Grand Teton and Yellowstone parks.• The official figure for the whole of June was 42 police and demonstrators killed; some foreign observers estimated up to 70 deaths.• But for a westward-going observer, the rightmost arrives first.• International observers criticized the use of military force in the region.• Aesop must have been a keen observer of natural animal rhythms.• Military observers have been allowed into the area to monitor the ceasefire.• Meehan and other observers give it little chance of making it out of Congress this year.• Most political observers believe that the president will now have to resign.• Political observers say Ball could still win the election.• The remote observer measures time intervals to be dilated and light to be red shifted.• The geography of Boiotia might to a shallow observer seem to suit her for naval hegemony.casual observer• While the Macintosh still possess all the benefits it seems, to a casual observer, to be an incompatible system.• To a casual observer water on a surface may appear to be in complete contact with it.• A casual observer on Van Ness the other day saw even younger adults have difficulty.• This is mostly due to the almost universal lowering of expectations among diehard fans and casual observers.• Even for casual observers the clues to its presence are abundant.• This is the sight which stays with even the casual observer.• But lately, to the casual observer, it would seem that the match is being interrupted, or at least expanded.• To the casual observer, the tide may seem to be the only movement of water in the estuary.nThe ObserverObserver, The trademark na serious British Sunday newspaper which generally supports fairly left-wing political ideas. The Observer is owned by the same company that owns The Guardian.ob·serv·er nounObserver, TheLDOCE OnlineChineseSyllable
watches or attention who Corpus pays someone regularly
Observer
Observer, The
trademark
a serious British Sunday newspaper which generally supports fairly left-wing political ideas. The Observer is owned by the same company that owns The Guardian.
Observer, The
trademarka serious British Sunday newspaper which generally supports fairly left-wing political ideas. The Observer is owned by the same company that owns The Guardian.
observer
ob‧serv‧er /əbˈzɜːvə $ -ɜːrvər/ noun [countable]
1. someone who regularly watches or pays attention to particular things, events, situations etc
observer of
an observer of nature
political observers
Observers are predicting a fall in interest rates.
2. someone who attends meetings, classes, events etc to check what is happening:
The UN sent observers to the peace talks.
Independent observers monitored the elections.
3. someone who sees or looks at something:
reports from observers at sea and on dry land
casual observer (=someone looking at something but not very carefully)
A casual observer would have guessed his age at 70.
■ someone who watches something
▪spectator someone who watches an event, especially a sports event: There were 4,500 spectators at the game. | a crowd of spectators
▪viewer someone who watches television: Millions of television viewers listened to the President’s speech. | programmes for younger viewers
▪audience the people who watch a play or performance, or the people who watch a particular television programme: The audience roared with laughter and clapped. | It attracted a television audience of seven million.
▪onlooker someone who watches something happening without being involved in it, especially in the street: A man was standing on the roof, watched by a crowd of onlookers below.
▪observer someone who watches and pays attention to particular situations and events, because they are interested in them, or it is their job: She was a shrewd observer of human nature. | a political observer who writes for The Independent newspaper | The United Nations has sent military observers to the Sudan.
ob‧serv‧er /əbˈzɜːvə $ -ɜːrvər/
noun [countable]1. someone who regularly watches or pays attention to particular things, events, situations etc
observer of
2. someone who attends meetings, classes, events etc to check what is happening:
3. someone who sees or looks at something:
casual observer (=someone looking at something but not very carefully)
| THESAURUS |
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witness a person who sees sth happen and is able to describe it to other people; a person who gives evidence in a court of law 指目击者、见证人、证人 ：◆ Police have appealed for witnesses to the accident.警方呼吁这起事故的目击者出来作证。 observer a person who sees sth happen 指观察者、目击者 ：◆ 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。 onlooker a person who watches sth that is happening but is not involved in it 指旁观者 ：◆ A crowd of onlookers gathered at the scene of the crash. 在撞车地点聚集了一大群围观者。 passer-by a person who is going past sb/sth by chance, especially when sth unexpected happens 指路人、过路的人，尤指意想不到的事发生时碰巧路过的 ：◆ Police asked passers-by if they had witnessed the accident. 警察询问过路的人是否目击了这次事故。 bystander a person who is near and can see what is happening when sth such as an accident or fight takes place 指现场目击者、旁观者 ：◆ Three innocent bystanders were killed in the crossfire.三名无辜的旁观者在交火中丧生。 eyewitness a person who has seen a crime or accident and can describe it afterwards 指犯罪或事故现场的目击者、见证人
Patterns
a witness/an observer/an onlooker/a passer-by/a bystander/an eyewitness sees sthan observer/an onlooker/a passer-by/a bystander witnesses sth