unnamed

The article quoted an unnamed source/official.文章援引了一位未透露姓名的消息人士/官员的话。

She is believed to be one of the three unnamed candidates being considered for the position.据信，她是这个职位三个未公布姓名的候选人之一。

The map shows an unnamed stream flowing down the side of the hill.地图上标示了从山丘一侧流下的一条无名小溪。