跌眼镜

跌眼镜	diē yǎn jìng	to be taken aback
跌	diē	to fall / to tumble / to trip / (of prices etc) to drop / Taiwan pr. [die2]
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
眼镜	yǎn jìng	spectacles / eyeglasses / CL:副
镜	jìng	mirror / lens