名词未知数；未知的地方（或事物）；无名者；不出名的人形容词未知的；不详的；未被确认的；不出名的网络狙击陌生人；玩命记忆；不明身份
形容词
1. An unknown disease suddenly attacked the crops in this area.
一种尚未搞清的病虫害突然侵袭了这一带的庄稼。
2. It was unknown country to me.
这地区对我说来是陌生的。
3. We bought a drawing by an unknown artist.
我们买了一幅某个不出名的画家所作的画。
名词
1.
1. The author had been an unknown until he published his recent book.
这位作家一直是个默默无闻的人，直到最近出版了他的一本书。