flummox
🇺🇸
/ˈflʌməks/
🇬🇧
/ˈflʌməks/
to make someone unable to think clearly or respond effectively because they are surprised or confused
The sudden change of plans completely flummoxed him, and he didn't know how to react.
計画の突然の変更は彼を完全に混乱させ、どう反応すれば良いのかわからなかった。