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	appetite apple apple-pie apples apples and oranges approach approval a practical joke a practical scientific etc. turn of mind a pregnant pause a pregnant pause/silence a pregnant silence a pretty penny a price on sb’s head (a) prima donna a prima donna a prime mover a private eye a prodigal son apron a prophet of doom a pub crawl a put-up job a Pyrrhic victory a quantum jump

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。