ADJ-GRADED 可疑的;不可靠的;有问题的;不确定的 If you say that something is questionable, you mean that it is not completely honest, reasonable, or acceptable. 可疑的;不可靠的;有问题的;不确定的 [formal]
He has been dogged by allegations of questionable business practices.
他一直被那些指控他有不正当商业行为的说法所困扰。
It is questionable whether the expenditure on this project is really justified.
该项目的开支是否真的合理还未可知。
The film is a comedy in highly questionable taste.