dubious

US /ˈduː.bi.əs/
UK /ˈduː.bi.əs/
"dubious" picture
1.

懷疑的, 可疑的

hesitating or doubting

:
He was dubious about the plan's success.
他對計畫的成功感到懷疑
I'm dubious about his ability to finish the project on time.
我對他能否按時完成專案感到懷疑
2.

可疑的, 不確定的

not to be relied upon; suspect

:
The claims made in the advertisement were highly dubious.
廣告中的說法非常可疑
He has a dubious reputation in the business community.
他在商界聲譽不佳