No. 3,988 in Chinese
作证
"作证" means "to testify" or "to give evidence."
In a sentence
她在法庭上作证，描述了犯罪发生的经过。
She testified in court, describing the sequence of the crime.
In this sentence, '作证' is used to mean providing testimony in a legal setting.
为了证明清白，他决定向警察局作证。
To prove his innocence, he decided to give testimony to the police station.
Here, '作证' signifies the act of becoming a witness and offering statements to clarify or support one's position.
历史文献可以作证，这件事情确有发生过。
Historical documents can serve as evidence that this event indeed occurred.
In this example, '作证' is applied figuratively to mean providing evidence or support on the validity of a claim.
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