Definition: a person who sees an event happening, especially a crime or an accident Level: B2
警方呼吁事故目击者站出来。
The police are appealing for a ___witness to the accident to come forward.
据目击者称，抢劫是由两名青少年实施的。
According to the ___witness, the robbery was committed by two teenagers.
她是刑事审判中的关键目击者。
She was the key ___witness in the criminal trial.
