瞎

blind / groundlessly / foolishly / to no purpose

to do harm to / to cause trouble to / harm / evil / calamity

eye / (literary) to look; to regard / eye (of a net); mesh / mesh size; grit size (abbr. for 目數|目数[mu4 shu4]) / item; section / list; catalogue / (taxonomy) order / name; title

blind person

to be caught unprepared

to be deaf and blind (idiom)

to lie through one's teeth (idiom) / to talk drivel

to lie through one's teeth (idiom) / to talk drivel

to boast / to shoot one's mouth off

blind people touch an elephant (idiom, from Nirvana sutra 大般涅槃經|大般涅盘经[da4 ban1 Nie4 pan2 jing1]); fig. unable to see the big picture / to mistake the part for the whole / unable to see the wood for the trees

to fool around with / to mess with

to putter around / to work to no avail

bear / bruin