miàn / duì / tū / rú / qí / lái / de / wèn / tí / tā / yì / shí / fā / zhèng / bù / zhī / dào / gāi / zěn / me / huí / dá

面对突如其来的问题，她一时发怔，不知道该怎么回答。

Faced with the sudden question, she was momentarily baffled and did not know how to answer.