du·bi·ous/`djubɪəs; ˈdjuːbiəs/ adj 1 be dubious to have doubts about whether something is good or true 心存疑虑,觉得可疑: + about I'm very dubious about the quality of food in this café. 我对这家小餐馆的食物质量很不放心。 2 not seeming honest, safe, or valuable 〔品行、可靠性、价值〕靠不住的,有问题的: a dubious character 品行靠不住的人