如何用英语表达自己的想法

8.There must be someone who had put her up to that.
肯定有人唆使她去那样做。

这句话口语色彩很浓。常用于唆使他人犯罪或恶作剧的情景之中。

How come? There must be someone who had put her up to that.
       怎么会呢？肯定有人唆使她去那样做。