unknown是什么意思

词组

unknown

释义

unknown

BrE /ˌʌnˈnəʊn/
NAmE /-ˈnoʊn/

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●an ˌunknown ˈquantity

a person or thing that you do not know anything or enough about 未知数；不知底细的人（或事物）

◆His ability to make decisions in a crisis is an unknown quantity.
他在危机中作决定的能力还是个未知数。

◆Our new director is still an unknown quantity.
我们对新来的经理知之甚少。

●unknown to sb

without the person mentioned being aware of it …尚不知道；把…蒙在鼓里

◆Unknown to me, he had already signed the agreement.
他背着我签了协议。

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