单词：dubiousness
n. dubious（令人怀疑的）的变形
n. State of being dubious.
词型变化：名词复数形式 : dubiousnesses
dubious的用法和样例：
例句
用作形容词(adj.)
- I feel dubious about his honesty.我对他的诚实表示怀疑。
- I am dubious about accepting the offer of the job.我犹豫不定是否接受提供给我的那份工作。
- I remain dubious about her motives.我对她的动机仍存疑念。
- The testimony given by him is dubious.他所作的证据是可疑的。
- He uses some dubious shifts to get money.他用一些可疑的手段去赚钱。
- He shares the same rotten tastes with some dubious characters.他和一些不三不四的人臭味相投。
- I am still dubious about that plan.我仍然对那个计划拿不准。
常见句型
用作形容词(adj.)
用作定语～+ n.- He is a dubious character.他是一个靠不住的人。
- He is a rather dubious fellow.他是一个相当靠不住的人。
- His background is a trifle dubious.他的背景不大可靠。
- What he said was dubious.他说的话很含糊。
- I'm still dubious about the plan.对这一计划我仍然持怀疑态度。
- I am dubious of her honesty.我对她的诚实半信半疑。
- I feel dubious as to what to do.我犹豫不决,不知该怎么办。
词汇搭配
用作形容词 (adj.)
～+介词- dubious about〔of〕对…感到怀疑
- dubious as to对…不知所措
经典引文
The islands began to grow dubious on the horizon.
出自：T. HeggenI had the dubious satisfaction of knowing that I had been 'put on their files'.
出自：J. F. Lehmann