To become flustered, disconcerted, or panic; to lose one's composure.
テストで間違いに気づいて、慌てて答案を直した。
I noticed a mistake on the test and, flustered, quickly corrected my answers.
子供が急に泣き出して、母親が慌てて電話を探した。
The child suddenly started crying and the mother, flustered, frantically looked for her phone.
慌てる必要はないよ。ゆっくり確認してからやればいい。
There’s no need to panic. You can take your time and check before doing it.
To hurry or rush (often used as 慌てて).
電車に遅れそうで、慌てて家を出た。
I was about to miss the train and hurried out of the house.
慌てて食べると胃に悪いから、もう少しゆっくりしよう。
Eating in a hurry is bad for your stomach, so let's slow down a bit.
会議が始まるので、彼は慌てて資料をコピーした。
Because the meeting was starting, he hurriedly copied the materials.