dubious

The firm was accused of dubious accounting practices.

该公司被指控有不诚实的会计行为。

Many critics regard this argument as dubious or, at best, misleading.

许多批评家认为这一论点靠不住，或者说至少有误导性。

The assumption that growth in one country benefits the whole world is highly dubious .

一国的经济增长会对全世界有益的假设是很值得怀疑的。