[ 形 ]
dumbfounded
,
dumbstricken
,
dumbstruck
,
dumfounded
,
flabbergasted
,
stupefied
,
thunderstruck
■ as if struck dumb with astonishment and surprise 驚きと驚愕で口がきけなくなるかのような
e.g. )
・a circle of policement stood dumbfounded by her denial of having seen the accident 彼女が事件の目撃を否定したことで、警官たちは唖然として立ちつくした
・the flabbergasted aldermen were speechless 面くらった市会議員は口もきけなかった
・was thunderstruck by the news of his promotion 彼の昇進のニュースに仰天した
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ぽかんと
,
吃驚仰天
吃驚仰天 - 和英辞典 (EdictJE)
(n,vs) astonished
stunned
startled out of one's wits
thunderstruck
open-eyed astonishment