doubtful

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；不能確定的

词根记忆

• 來自doubt(v.懷疑)

同根派生

• adj性質的同根詞

  doubtless：無疑的；確定的。

  doubting：不相信的；有疑心的。

• adv性質的同根詞

  doubtless：無疑地；確定地；大概，多半。

  doubtfully：懷疑地；含糊地。

• n性質的同根詞

  doubt：懷疑；疑問；疑惑。

  doubter：抱懷疑態度的人；不信宗教的人；懷疑論者。

• v性質的同根詞

  doubt：懷疑；不信；恐怕；拿不準。

• doubtful相关词

用法辨析

adj. (形容詞)

• doubtful從主觀角度說,指某人“懷疑”某人某事,後麪常接介詞of或about,意爲對…懷疑; 從客觀角度說,指某人某事“令人懷疑”,意爲“可疑的,使人産生疑問的”。
• doubtful作“懷疑的,不能肯定的”解時,可接由where, what, whether等引導的短語或從句。
• 在“It is doubtful”之後常接whether或if引導的從句,用於疑問或否定結搆時, doubtful可搭用it的同位結搆的that從句。

• doubtful使用方法
• doubtful详细辨析

英汉例句

用作形容詞 (adj.)

用作定語: ～+ n.

• This is a doubtful battle.
  這是一場勝負難測的戰爭。

用作表語: S+be+～

• The weather looks very doubtful.
  這天氣很靠不住。

S+be+～+ prep .-phrase

• I feel very doubtful about this.
  我對這點很懷疑。

S+be+～+wh-to- v

• I'm doubtful where to go.
  該往哪裡去我心中無底。

S+be+～+wh-clause

• I feel doubtful what I ought to do.
  我不知該做什麽。

It is/was+～+that/wh-/if-clause

• It is doubtful if our resources will hand out for more than two or three days more.
  我們的資源能否再維持兩三天以上,值得懷疑。

• doubtful更多例句

词组短语

短語

• doubtful case [法]疑案;無罪推定
• doubtful point 疑點;難以斷定的含義
• doubtful species 可疑種
• doubtful about 懷疑的，可疑的；對…懷疑
• doubtful hit 可疑劍;可疑刺或劈;可疑刺

• doubtful更多词组

英英字典

劍橋英英字典

• 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.

• doubtful剑桥字典
• doubtful柯林斯字典

专业释义

法學

• 有疑問的