unclear

unclear
adjective
  1. not easy to see, hear, or understand
    不清楚的;不明确的
    the motive for this killing is unclear.
    谋杀动机不明。
    ■not obvious or definite; ambiguous
    不明显的,不明朗的;含糊的
    their future remains unclear.
    他们前途未卜。
    ■having or feeling doubt or confusion
    怀疑的;茫然的
    users are still unclear about what middleware does.
    用户对中间件作用仍有疑问。
派生
unclearly
adverb
unclearness
noun
英语宝典
考试词汇表