question形容词

形容词是questionable，例如：

1.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。

2.The conclusions that they come to are highly questionable.他们得出的结论大有问题。

3.Her motives for helping are questionable.她帮忙的动机令人生疑。