flabbergasted

魔术师的表演让孩子们目瞪口呆。

The magician's performance ___flabbergasted the children.

听到他突然辞职的消息，所有人都惊呆了。

The news of his sudden resignation ___flabbergasted everyone.

魔术师的表演让全场观众目瞪口呆。

The magician's performance ___flabbergasted the entire audience.