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to be surprised; to be taken aback; to be amazed; to be astonished; to be shocked
to be frightened; to be startled; to be alarmed
突然の知らせに愕いてしまった。
I was taken aback by the sudden news.
値段を聞いて愕くだろう。
You'll be surprised when you hear the price.
愕かないで聞いてください。
Please listen without being surprised.