形容词

1. 令人大吃一惊的;令人震惊的
Something that is staggering is very surprising.

1. so surprisingly impressive as to stun or overwhelm

e.g. such an enormous response was astonishing
an astounding achievement
the amount of money required was staggering
suffered a staggering defeat
the figure inside the boucle dress was stupefying

Synonym: astonishingastoundingstupefying