傻眼

傻眼	shǎ yǎn	(coll.) stunned; dumbfounded; flabbergasted
傻	shǎ	foolish
眼	yǎn	eye (CL:只,双) / (often used with 一) a look; a glance / small hole / (bound form) salient point / classifier for wells, cave-dwellings etc