英语词组an unknown quantity是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	an unknown quantity
释义	●an ˌunknown ˈquantitya 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。
随便看	a deer in the headlights a den of iniquity a den of iniquity/vice a den of vice a devil of a job nuisance fellow etc. a devil’s advocate ad hoc a diamond in the rough a different ball game a different kettle of fish a different story a dime a dozen ad infinitum a dirty old man a dirty weekend a dirty word a disaster area Adjectives ad nauseam ado a dog and pony show a dog in the manger a dog’s breakfast a dog’s breakfast/dinner a dog’s dinner

英语词组固定搭配大全包含20132条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。