discombobulated

老师突如其来的提问完全把我搞糊涂了。

The teacher's unexpected question completely ___discombobulated me.

突如其来的坏消息让他一整天都心烦意乱。

The sudden bad news completely ___discombobulated him for the whole day.

突然更换的会议安排让整个团队都感到困惑。

The sudden change of meeting schedule ___discombobulated the entire team.