英 [ˈkwestʃənəb(ə)l] 美 [ˈkwestʃənəb(ə)l]
adj. 可疑的；不确定的，有问题的；可能不诚实(或不道德)的，别有用心的
比较级more questionable
最高级most questionable
questionable /ˈkwɛstʃənəbəl/ TEM4
形容词 If you say that something is questionable, you mean that it is not completely honest, reasonable, or acceptable. 可疑的; 不合理的; 不能接受的
He has been dogged by allegations of questionable business practices.
他一直被有可疑商业行为的传言困扰着。
subject to question
questionable motives ; a questionable reputation ; a fire of questionable origin
able to be refuted
同义词： refutable / confutable / confutative
...（Stephen Barrett）主张将所有的非主流医学分成三类：真正的（Genuine）、试验性的（Experimental）和 可疑的 （ Questionable ）7。“真正的”的非主流医学可以为病人提供一种新的医疗选择，其有效性和安全性是经过科学验证的。
... quest （历时较长的）寻求，调查研究 v. 寻找，寻求 questionable 有问题的，有怀疑的，可疑的 questionnaire (通常用于收集信息或意见的)一组问题，调查表 ...
... destruction 破坏 questionable 有疑问的 cogent argument 另人信服的论据 ...
questionable(值得怀疑的), 此释义来源于网络辞典。
questionably 可疑地，不清楚地；不可靠地
questioningly 怀疑地；质问地
questioning 询问，审问（question的现在分词）
question 询问；怀疑；审问
question 询问；怀疑；审问
可疑的；有问题的
He has been dogged by allegations of questionable business practices.
他一直被有可疑商业行为的传言困扰着。
Her motives for helping are questionable.
她帮忙的动机令人生疑。
His best friend died under questionable circumstances.
他最好的朋友在不明的情况下死了。
and placed on the Internet. Other scientists and observers say they found both mistakes and questionable findings.
VOA : special.2010.04.27
And so even people that got vaccinated, most of us either have questionable or no protection against the virus at this point.
所以就算那些接种过天花疫苗的人,到那时候也不一定,或者压根无法抵御病毒
生物医学工程探索课程节选 : 耶鲁公开课
And it is simply the person who inhabits the office, although that might be somewhat questionable in some of our recent executive decisions.
这只是一个占据着这个职务的人，虽然我们最近的一些决策,可能有些问题。
政治哲学导论课程节选 : 耶鲁公开课
It would take questionable securities held by other banks.
VOA : special.2009.01.30
It has also raised questions on complex and questionable financial deals between Athens and financial companies like Goldman Sachs.
VOA : standard.2010.02.26
The whole thing is being filmed by an acknowledged documentary crew with ample access, but questionable focus.
He says that he receives a tip about questionable practices every week from SIAS members or others.
"Whether or not he is capable of becoming a head coach is questionable, " Lewis told BBC Radio Wales.