dubious
US /ˈduː.bi.əs/
UK /ˈduː.bi.əs/

形容词
1.
2.
可疑的, 不确定的
not to be relied upon; suspect
示例:
•
The claims made in the advertisement were highly dubious.
广告中的说法非常可疑。
•
He has a dubious reputation in the business community.
他在商界声誉不佳。
在 Lingoland 学习这个单词