be dubious of

There may be trouble ahead for filmgoers if the makers of Grumpy Cat: the Movie are basing their project on the dubious success of the Garfield films, however.

但是，如果《暴躁猫大电影》（Grumpy Cat:the Movie）的制作者是以加菲猫电影的成功（成功？值得怀疑）为基础的话，影迷们也许要小心了。

Nagy has the dubious honour of being the first athlete to be banned in this way.

纳吉作为第一个以这种方式被禁赛的运动员而“出名”。

The tests have been shown to be of dubious validity.

这些试验的有效性已显得令人怀疑.

She had the dubious honour of being the last woman to be hanged in England(=it was not an honour at all).

她成为英国最后一个受绞刑的女子，这或许也算得上是荣幸之至吧。

Her facts were right and she even included relevant context such as the possibility of Brexit ( although she was of the dubious opinion that it would be a "tailwind" for the UK economy).

她列举的事实正确，甚至包括了相关背景，例如英国退欧（Brexit）的可能性（不过，她认为这将“推动”英国经济的观点让人存疑）。

They consider the plan to be of dubious benefit to most families.

他们认为这项计划对大多数家庭不一定有好处。