单词盒子

doubtful

D 开头单词

音标发音

  • 英式音标 ['daʊtfʊl; -f(ə)l]
  • 美式音标 [ˈdaʊt.fəl]
  • 国际音标 ['dautful]
  • 英式发音
  • 美式发音

基本解释

  • adj. 可疑的；令人生疑的；疑心的；不能确定的

词根记忆

  • 来自doubt(v.怀疑)

同根派生

  • adj性质的同根词
    doubtless：无疑的；确定的。
    doubting：不相信的；有疑心的。
  • adv性质的同根词
    doubtless：无疑地；确定地；大概，多半。
    doubtfully：怀疑地；含糊地。
  • n性质的同根词
    doubt：怀疑；疑问；疑惑。
    doubter：抱怀疑态度的人；不信宗教的人；怀疑论者。
  • v性质的同根词
    doubt：怀疑；不信；恐怕；拿不准。

用法辨析

    adj. (形容词)

  • doubtful从主观角度说,指某人“怀疑”某人某事,后面常接介词of或about,意为对…怀疑; 从客观角度说,指某人某事“令人怀疑”,意为“可疑的,使人产生疑问的”。
  • doubtful作“怀疑的,不能肯定的”解时,可接由where, what, whether等引导的短语或从句。
  • 在“It is doubtful”之后常接whether或if引导的从句,用于疑问或否定结构时, doubtful可搭用it的同位结构的that从句。

英汉例句

    用作形容词 (adj.)

    用作定语: ～+ n.

  • This is a doubtful battle.
    这是一场胜负难测的战争。

    • 用作表语: S+be+～

  • The weather looks very doubtful.
    这天气很靠不住。

    • S+be+～+ prep .-phrase

  • I feel very doubtful about this.
    我对这点很怀疑。

    • S+be+～+wh-to- v

  • I'm doubtful where to go.
    该往哪里去我心中无底。

    • S+be+～+wh-clause

  • I feel doubtful what I ought to do.
    我不知该做什么。

    • It is/was+～+that/wh-/if-clause

  • It is doubtful if our resources will hand out for more than two or three days more.
    我们的资源能否再维持两三天以上,值得怀疑。

词组短语

    短语

  • doubtful case [法]疑案;无罪推定
  • doubtful point 疑点;难以断定的含义
  • doubtful species 可疑种
  • doubtful about 怀疑的，可疑的；对…怀疑
  • doubtful hit 可疑剑;可疑刺或劈;可疑刺

英英字典

    剑桥英英字典

  • If you are doubtful about something, you are uncertain about it.

    • 柯林斯英英字典

  • If it is doubtful that something will happen, it seems unlikely to happen or you are uncertain whether it will happen.
  • If you are doubtful about something, you feel unsure or uncertain about it.
  • doubtfully
  • If you say that something is of doubtful quality or value, you mean that it is of low quality or value.
  • If a sports player is doubtful for a match or event, he or she seems unlikely to play, usually because of injury.

专业释义

    法学

  • 有疑问的