(of a person )人 not sure; uncertain and feeling doubt synonym dubious拿不定主意;不确定;怀疑 - doubtful (about something)
Rose was doubtful about the whole idea. 罗斯对整个设想持怀疑态度。 - doubtful (about doing something)
He was doubtful about accepting extra work. 他拿不定主意是否接受额外工作。
Extra ExamplesTopics Doubt, guessing and certaintyc1She was rather doubtful about the wisdom of eating the seafood. 她很怀疑吃海鲜是否明智。 A doubtful look crossed her face. 她脸上掠过一丝怀疑的神色。
Oxford Collocations Dictionaryverbs- be
- feel
- look
- …
- extremely
- fairly
- very
- …
- about
- doubtful (about something)
unlikely; not probable 未必;难说;不大可能 - doubtful (if…)
It's doubtful if this painting is a Picasso. 这未必就是毕加索的画。 - doubtful (that…)
With her injuries it's doubtful that she'll ever walk again. 她多处受伤,今后能否行走还很难说。 - doubtful (whether…)
It's doubtful whether the car will last another year. 这辆汽车未必还能用上一年。 - doubtful (for something)
He is injured and is doubtful for the game tomorrow (= unlikely to play). 他受了伤,明天未必能参赛。
Extra ExamplesTopics Doubt, guessing and certaintyc1Even if we could go, which is highly doubtful, John wouldn't be able to come with us. 即使我们能去 - 这还很没准儿 - 约翰也不能和我们一起去。 It is doubtful that his words will change the situation much. 他的话是否会大大改变局势,这是值得怀疑的。
Oxford Collocations Dictionaryverbs- be
- look
- seem
- …
- extremely
- fairly
- very
- …
- doubtful (if…)
- [not usually before noun]
(of a thing )事情 uncertain and likely to get worse 不明朗,悬而未定(可能变糟) - [only before noun]
of low value; probably not what somebody claims it is or of a quality that you can rely on synonym dubious低劣的;未必是真的;靠不住的