doubtful

[US]/ˈdaʊtfl/
[UK]/ˈdaʊtfl/
Frequency: Very High

Translation

adj. 難以預測的, 可疑的,懷疑的

Phrases & Collocations

doubtful of

懷疑的,可疑的;對…懷疑

doubtful about

懷疑的,可疑的;對…懷疑

Example Sentences

This is a doubtful battle.

這是一場勝負難測的戰爭。

a doubtful claim; doubtful prospects.

令人懷疑的索賠案;令人可疑的前景

the fire was of doubtful origin.

火源尚不明。

a report of doubtful veracity.

真實性可疑的報告

It is doubtful that he will come.

他會不會來值得懷疑。

He is a doubtful character.

他是一個不可靠的人。

I was doubtful of my judgement.

我對自己的判斷拿不準。

I'm doubtful where to go.

該往哪裏去我心中無底。

He is an author of doubtful reputation.

他是一位名聲不太好的作家。

a document of doubtful authenticity

真實性存疑的文件

dubious profits.See Synonyms at doubtful

靠不住的利潤參見 doubtful

magazine of doubtful taste

內容不太好的[低級趣味的]雜誌

Demirep:a person of doubtful reputation or respectability.

名聲不好的人:名聲或地位令人懷疑的人.

I feel very doubtful about this.

我對這點很懷疑。

I am very doubtful of that.

我很疑心那件事。

It is doubtful whether it is true or not.

這件事的真假是可疑的。

your record's bad, but it's doubtful they'll give you the bullet.

雖然你有不良記錄,但我還是不信他們會炒你魷魚。

Real-world Examples

Will it work? It seems doubtful.

這項計劃會起作用嗎?似乎很值得懷疑。

Source: The Economist - China

It is doubtful that he will come.

他會不會來值得懷疑。

Source: IELTS vocabulary example sentences

A sceptical person is doubtful about something.

一個持懷疑態度的人對某事表示懷疑。

Source: 6 Minute English

" Doubtful that I would turn up? " Dumbledore suggested shrewdly.

“不相信我真的會來?”鄧布利多尖銳地指出。

Source: Harry Potter and the Half-Blood Prince

I am doubtful whether she is still alive.

我難以確定她是否還活着。

Source: IELTS vocabulary example sentences

Uncertainty means that something is doubtful or unknown.

不確定性是指某些事情是可疑的或未知的。

Source: Advanced Daily Grammar (Audio Version)

Oh, doubtful. I just moved here from London.

哦?不會吧。我剛從倫敦搬過來。

Source: Sex and the City Selected Highlights

It is doubtful whether Ted will keep his promise.

泰德會不會履行承諾令人起疑。

Source: Lai Shixiong Advanced English Vocabulary 3500

She too was initially doubtful surgery could help her.

她最初懷疑手術是否可以幫助到自己。

Source: VOA Standard December 2013 Collection

Doubtful. Klaus doesn't want to be pointed out.

不太可能。克勞斯不想被人找到。

Source: The Vampire Diaries Season 2

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