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to become frightened; to be frightened (of); to be scared (of)
雷の音に脅えた犬がテーブルの下に隠れた。
The dog, frightened by the thunder, hid under the table.
暗闇に脅えて一歩も動けなくなってしまった。
Frightened by the darkness, I could not move a single step.
地震の後、余震に脅える住民が避難所に集まった。
After the earthquake, residents frightened by aftershocks gathered at shelters.