あっけにとられる

あっけにとられる【呆気に取られる】

be astonished; be amazed; be stunned; be taken aback; be nonplus(s)ed; be dum(b)founded; 《口》 be flabbergasted; stand aghast 《at the sight》.

●呆気に取られて in amazement; in open-mouthed [silent, bewildered] astonishment; dum(b)founded; in speechless wonder; gaping in wonder; with a stupid look of amazement; with a vacant look of astonishment

・呆気に取られて口もきけない be (struck) dumb with amazement; be struck speechless

・みんな呆気に取られてぼんやりすわっていた. Everybody sat there, stunned.

・日本の貿易黒字は呆気に取られるほどの金額にのぼっていた. Japan's trade surplus had risen to an astonishing figure.

・彼女は呆気に取られている私を置いて立ち去った. As I stood there, stunned, she walked away.