jiàn​zhèng​rén

eyewitness

见证人 (見證人) jiàn​zhèng​rén
eyewitness noun
a person who has personally seen an event or incident happen

The police are looking for eyewitnesses to the accident.

legal witness noun
a person who observes a legal transaction or the signing of a document to attest to its authenticity

He signed this important agreement in the presence of a witness.

Frequency

Movie subtitles
1.43 per million appears in 1% of films
Written text
0.953 per million

Sources

Definitions
CC-CEDICT