The Thai translation for “suspicious; doubtful” is น่าสงสัย. The Thai, น่าสงสัย, can be broken down into 2 parts:"-able" (น่า) and "to wonder; to doubt" (สงสัย).
Examples of "suspicious; doubtful" in use
There are 2 examples of the Thai word for "suspicious; doubtful" being used: