1580s, "that may be interrogated;" c. 1600, "open to dispute, doubtful," from question (v.) + -able. Deprecatory sense of "dubious in character" is attested from 1806. Related: Questionably.
雙語例句
1. His best friend was killed by police under extremely questionable circumstances.
他最好的朋友在極其可疑的情況下被警察打死了。
來自柯林斯例句
2. It is questionable whether the expenditure on this project is really justified.
該項目的開支是否真的合理還未可知。
來自柯林斯例句
3. He has been dogged by allegations of questionable business practices.
他一直被那些指控他有不正當商業行為的說法所困擾。
來自柯林斯例句
4. It's questionable whether anything of substance has been achieved.
是否已經取得了任何實質性進展還是個問題。
來自柯林斯例句
5. The conclusions that they come to are highly questionable.