an unknown quantity
基本解释
- 难预测的事；未知量
英汉例句
- The Frenchman was an unknown quantity when he arrived in north London back in 1996.
1996年，当他初到北伦敦时，这个法国人还只不过是个未知数而已。 - Woodstock for them is only a picture in their textbooks, the Chicago Seven (or was it Eight?) are an unknown quantity.
伍德斯托克对于他们来说只是教材里的一张图片，芝加哥七人（又或者是八人？）对于他们来说是一个未知的组合。 - “The four trucks were also accompanied by an unknown quantity of ANA uniforms to facilitate carrying out the attacks.” Read the Document »
为方便实施袭击，这四辆皮卡也装有数量不详的阿富汗国民军制服。 - Yet as far as Channel 4 is concerned, Ahmadinejad is still an unknown quantity for most Britons.
CENTERFORSECURITYPOLICY: The ‘realist’ fantasy - But in some key repertoire for the Philharmonic, Bruckner and Schumann for instance, he is an unknown quantity.
ECONOMIST: Why Berlin’s musicians don’t need a maestro - At 18, Prince Hamzeh is an unknown quantity (just as King Hussein was when he became king, aged 17).
ECONOMIST: How indispensable is King Hussein?