unseen

unseen
adjective
  1. not seen or noticed
    未被看见的;看漏的
    it seemed she might escape unseen.
    看上去她有可能逃跑时无人觉察。
    ■not foreseen or predicted
    没有预见到的
    unseen problems.
    未预见到的问题。
    ■(chiefly Brit.)(of a passage for translation in a test or examination) not previously read or prepared
    (主英)(翻译试卷段落)不让事先准备的;即席的
noun
  1. (Brit.)an unseen passage for translation
    (英)即席翻译段落
英语宝典
考试词汇表