1To be surprised or astonished by something unexpected or striking.
試験に合格して家族全員が驚いた。
The whole family was surprised when I passed the exam.
彼の早業に観客は驚嘆し、思わず拍手した。
The audience was astonished by his fast skill and spontaneously applauded.
そんな話を聞いて驚く人は多いだろう。
Many people would be surprised to hear such a story.
2To be frightened or startled; to react with alarm to a sudden or frightening event.
夜中の物音に驚いて目を覚ました。
I was startled awake by a noise in the middle of the night.
小さな虫が飛んできて彼女は驚いて叫んだ。
A small insect flew by and she screamed in fright.
突然の花火の音に犬が驚いて逃げ出した。
The sudden sound of fireworks startled the dog, and it ran away.