to confuse and very much surprise someone, so that they are unable to explain or deal with a situation

An elderly man from Hull has confounded doctors by recovering after he was officially declared dead. 赫尔市的一位老人在被正式宣布死亡后居然活了过来，令医生们大惑不解。

The singer confounded her critics with a remarkable follow-up album. 这位歌手随后又推出了一张不同凡响的专辑，令评论家们大感意外。