A BAT

German

wie ein geölter Blitz (like a bat out of hell). (various references)

Greek 

θεόστραβοσ (as blind as a bat, stone blind). (various references)

Hungarian

vaksi (blear-eyed), nem lát messzebb az orránál (as blind as a bat, as blind as a beetle, as blind as a mole), nem lát az orráig se (blind as a bat), berúg (to get a bun on, to get smashed), becsíp (feel groggy, nip, to drink more than is good for one, to get tight, to go on a bat, to nip, to pinch). (various references)

Pig Latin

aay atbay.(various references)

Russian 

совершенно слепой (bat-blind, beetle blind, blind as a bat, stone blind, stone-blind), кутить (be on the razzle, carouse, go on a bat, go on a bender, go on the binge, go to town, have a binge, make whoopee), гулять (stroll). (various references)

Scottish

ialtag (bat), dialtag. (various references)

Spanish

no ver tres en un burro (be as blind as a bat, be blind as a beetle). (various references)

Thai

สายตาฝ้าฟาง ((as) blind as a bat). (various references)

Turkish

tamamen kör (blind as a bat, stone blind), kafayı çekmek (booze, carouse, drink heavily, go on a bat, have a wet, swill), kör (blind, blind as a bat, blunt, disused, dull, mole-eyed, not sharp, obtuse, sightless, stone blind, unseeing, unsighted). (various references)