あっけにとられるあっけにとられるConjugationMeanings1expression, ichidan verbbe taken aback; be astonished; be dumbfoundedusually written using kana aloneDescribes a sudden, often speechless surprise at something unexpected or shocking.彼かれの突とつ然ぜんの告こく白はくに、私わたしはあっけにとられた。I was taken aback by his sudden confession.