flabbergast GRE

1.Saying that Joan was taken aback is to put it mildly. She was completely flabbergasted.

说琼吃了一惊，这是很保守的说法。她其实是完全惊呆了。

2.He is flabbergast when he hears that his friend has been accused of murder.

他听说朋友被控谋杀罪，大吃一惊。