flustered
🇺🇸
/ˈflʌstərd/
🇬🇧
/ˈflʌstəd/
Feeling nervous or disorganized, often because of being rushed or overwhelmed.
When the teacher asked a surprise question, she looked flustered.
先生が突然の質問をしたとき、彼女は慌てていた。