B1 not known or familiar未知的;不知名的;不了解的;不熟悉的
More examples
An unknown terrorist group has claimed responsibility for this morning's bomb attack.
A generation ago, home computers were virtually unknown.
The article is of unknown authorship .
The director took a calculated risk in giving the film's main role to an unknown actor.
The very concept of free speech is unknown to them.
C1 [ S ] what is not familiar or known陌生事物;未知事物
[ C ] a person, especially a performer or sports player, who is not famous無名小卒,無名之輩(尤指不知名的演員或運動員)
[ C ] mainly US something that cannot be guessed at or calculated because so little is known about it不明情況;未知因素
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net
切换为简体中文