[mass noun]a feeling of uncertainty or lack of conviction 不确定,疑惑,怀疑 some doubt has been cast upon the authenticity of this account. 对于此陈述的真实性产生了一些怀疑。 [count noun]they had doubts that they would ever win. 他们怀疑自己究竟能不能赢。
verb
[with obj.]feel uncertain about 不能肯定,对…没准儿 I doubt my ability to do the job. 我不能肯定是否有能力做那份工作。 ■question the truth or fact of (something) 怀疑,对…有疑问 who can doubt the value and necessity of these services?. 谁能怀疑这些服务的价值和必要性?。 [with clause]I doubt if anyone slept that night. 我怀疑那天晚上是否有人睡过觉。 ■disbelieve (a person or their word) 不相信 I have no reason to doubt him. 我没有理由不相信他。 ■[no obj.]feel uncertain, especially about one's religious beliefs (尤指宗教信仰)不确定,怀疑
[with clause](Brit. archaic)fear; be afraid (英,古)害怕;恐怕,担心 I doubt not any ones contradicting this. 我不担心有人反对这一点。
常用词组 beyond doubt
allowing no uncertainty 无疑地,确实地 you've proved it beyond doubt. 你已完全证明了它。
in doubt
open to question 可怀疑的,存在疑问的 the outcome is no longer in doubt. 结果已毋庸置疑。 ■feeling uncertain about something 不能肯定的,不确定的 by the age of 14 he was in no doubt about his career aims. 14岁时,他就确定了事业目标。
no doubt
used to indicate the speaker's firm belief that something is true even if evidence is not given or available 无疑地,确实地,(说话者)确信 those who left were attracted, no doubt, by higher pay. 毫无疑问,离开的人是受了高薪的吸引。 ■used to introduce a concession which is subsequently dismissed as unimportant or irrelevant 的确,确实(引入让步条件) they no doubt did what they could to help her, but their best proved insufficient. 他们的确竭尽全力帮助了她,但这还不够。
without (a) doubt
indisputably 毋庸置疑地 he was without doubt the very worst kind of reporter. 毋庸置疑他是那种最糟糕的记者。