OH DEAR

Bulgarian 

ох (ah, oh, ouch), олеле (good gracious). (various references)

Chinese 

唉 (alas, an interjection, to express realization or agreement). (various references)

Czech

propána (good heavens), proboha (christ, deary me, for god's sake, for goodness sake, for goodness' sake, for heaven, for heaven's sake, good god, good grief, good heavens), no nazdar (good heavens, gosh). (various references)

Dutch

o wee (alas), helaas (alas, regrettably, unfortunately). (various references)

Esperanto

ho ve (alas). (various references)

Finnish

ai (oh). (various references)

German

auweh. (various references)

Greek 

αμάν (oh, oh boy). (various references)

Pig Latin

ohay earday.(various references)

Romanian

vai doamne, vai (alack, alas, fie, heigh-ho, lack, lax, my, oh, oh me, ouch, well, woe), aoleu (ah, alack, bless me, blow me, chut, come, crikey, cripes, dear me, oh boy, oh my, ouch). (various references)

Swedish

kors (cross, blimey), kära nån (dear me). (various references)