questionable

It's questionable whether anything of substance has been achieved.

是否已取得任何实质性的进展值得质疑。

Exclusion of generics industry from taking responsibility is questionable.

将非注册商标的行业排除在承担责任之外是值得怀疑的。

As this new science of habit has emerged, controversies have erupted when the tactics have been used to sell questionable beauty creams or unhealthy foods.

随着这种新的习惯科学出现，这些策略被用于销售问题美容霜或不健康食品时引发了争议。

It is questionable whether this is a good way of solving the problem.

这未必是一个解决问题的好办法。

Her motives for helping are questionable.

她帮忙的动机令人生疑。