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to be amazed; to be shocked; to be astonished; to be astounded; to be disgusted; to be exasperated; to be fed up
彼の無責任な発言に惘れてしまった。
I was appalled by his irresponsible remarks.
何度注意しても直らないので惘れた。
I was exasperated because it didn't improve no matter how many times I warned them.
惘れるほどの大胆な行動に周囲が驚いた。
Everyone around was shocked by the astoundingly bold action.