"unconfirmed" in Chinese (Simplified)
未经证实未确认
Definition
尚未被证实或正式证明为真的事情；没有获得确认。
Usage Notes (Chinese (Simplified))
常用于新闻、研究或传言，通常置于名词前：'unconfirmed report'，'unconfirmed information'。表示需要谨慎——未确认之前信息可能不可靠。通常不用来形容人，而是描述消息、事实、会议等。
Examples
We received an unconfirmed report about the accident.
我们收到了一份**未经证实**的关于事故的报告。
The meeting time is still unconfirmed.
会议时间仍然**未确认**。
His participation remains unconfirmed.
他的参与仍然**未确认**。
There are a lot of unconfirmed rumors going around.
有很多**未经证实**的谣言在流传。
The news is still unconfirmed, so let’s wait for official statements.
消息仍然**未经证实**，所以我们还是等官方声明吧。
Apparently, the concert date is unconfirmed, but people are already planning to go.
听说演唱会日期还**未确认**，但大家已经开始计划去了。