doubted

doubted — verb

  • doubtedpresent simple I / you / we / they
  • doubteds3rd person singular
  • doubteding-ing form
  • doubtededpast simple

1. To be uncertain whether a statement, fact, or possibility is true, accurate, or

1.動詞及物 / 不及物B1
釋義

To be uncertain whether a statement, fact, or possibility is true, accurate, or likely to happen.

例句

Trang doubted the accuracy of the online article because it had no sources.

doubt + noun phrase (accuracy of something)

The committee doubted whether the new policy would reduce traffic congestion.

doubt + whether clause

同義詞
  • question

    More active; suggests challenging or examining something rather than just feeling unsure

  • be unsure

    More informal and general; less strong than 'doubt'

反義詞
  • believe

    To accept something as true

  • trust

    To have confidence in something or someone

文法句型

doubt + noun phrase

doubt + whether/if clause

doubt + that-clause

doubt + prepositional phrase

用法筆記

Frequently used in negative constructions (never doubt, don't doubt) and with whether/if clauses to express uncertainty about two possibilities.

常見錯誤

❌I doubt to pass the exam.
✅I doubt (that) I will pass the exam.
💡'doubt' cannot be followed directly by a to-infinitive.

2. To have no confidence in someone's honesty, truthfulness, or ability; to not bel

2.動詞及物B1
釋義

To have no confidence in someone's honesty, truthfulness, or ability; to not believe what someone says.

例句

After the salesman lied twice, Aylin doubted every word he said.

doubt + someone's word / what someone says

The detective doubted the witness because her story changed several times.

doubt + person for a reason

同義詞
  • distrust

    Stronger and more formal; implies a lasting lack of trust

  • be suspicious of

    Suggests doubting someone's motives without being sure

反義詞
  • trust

    To have confidence in someone's honesty

  • believe

    To accept what someone says as true

文法句型

doubt + noun phrase (person)

doubt + someone's word

用法筆記

This sense focuses on distrust of a person rather than uncertainty about a fact. The object is typically a person or a person's word/promise.

常見錯誤

❌I doubt he.
✅I doubt him.' or 'I doubt his word.
💡The object of 'doubt' (person sense) is a noun or pronoun in object form, not a clause.