eyewitness
noun /ˈaɪwɪtnəs/
  /ˈaɪwɪtnəs/
 - a person who has seen a crime, accident, etc. and can describe it afterwards目击者;见证人 - an eyewitness account of the suffering of the refugees目击者对难民苦难遭遇的叙述 
 Synonyms witnesswitnesssee also witness- observer
- onlooker
- passer-by
- bystander
- eyewitness
 - witness a person who sees something happen and is able to describe it to other people; a person who gives evidence in a court of law:- Police have appealed for witnesses to the accident.警方呼吁这起事故的目击者出来作证。 
 
- Police have appealed for witnesses to the accident.
- observer a person who sees something happen:- 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。 
 
- According to observers, the plane exploded shortly after take-off.
- onlooker a person who watches something that is happening but is not involved in it:- 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。 
 
- A crowd of onlookers gathered at the scene of the crash.
- passer-by a person who is going past somebody/something by chance, especially when something unexpected happens:- 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。 
 
- Police asked passers-by if they had witnessed the accident.
- bystander a person who is near and can see what is happening when something such as an accident or fight takes place:- Three innocent bystanders were killed in the crossfire.三名无辜的旁观者在交火中丧生。 
 
- Three innocent bystanders were killed in the crossfire.
- 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 
 - a witness/an observer/an onlooker/a passer-by/a bystander/an eyewitness sees something
- an observer/an onlooker/a passer-by/a bystander witnesses something
 Topics Crime and punishmentb2- Police are comparing two eyewitness accounts of the events.警方正在比较两个目击者对事件的描述。 
- One eyewitness saw the gunmen leave the building.一位目击者看见持枪歹徒离开大楼。 
 Collocations DictionaryEyewitness is used before these nouns:- account
- identification
- report
- …
 
- an eyewitness account of the suffering of the refugees