dubiousadj.怀疑的;可疑的;不确定的
dubious profits.靠不住的利润
Dubious flying foxn.鹬狐蝠
dubious distinction似是而非的差别
dubious investments可疑投资
dubious intelligence不确切的情报
dubious relationship关系暧昧
Dubious trumpet-eared batn.暗灰号耳蝠
dubious purpose of argument论旨不明
dubious profits.See Synonyms at doubtful靠不住的利润参见
"these were estates his father questionably acquired"
"Gerald shook his head doubtfully"