A BIT OF A

German

recht lästig sein (be a bit of a bind), ein alter witzbold (a bit of a wag). (various references)

Greek 

είμαι ζωηρός (be a bit of a handful), λίγη βοήθεια (a bit of a help). (various references)

Hungarian

néha és is szoktam hazudni (I'm a bit of a liar myself). (various references)

Pig Latin

aay itbay ofay aay.(various references)

Romanian

prichindel (a bit of a boy, dandiprat, dwarf, hop-o'-my-thumb, midget, shrimp, whipster), este un pic cam snob (he is a bit of a snob). (various references)

Russian 

подспорье (a bit of a help). (various references)

Serbo-Croatian

uz malo pomoći (bit: a bit of a help), malo pomoći (bit: a bit of a help). (various references)

Spanish

un ligero dolor de cabeza (a bit of a headache), un diabólico (a bit of a devil), un conquistador (a bit of a devil). (various references)

Swedish

litet hjälp (a bit of a help). (various references)

Turkish

oldukça (a good many, a whale of, fairly, good, pretty, quite, rather, reasonably, somewhat, spanking, substantially, well, well enough, whopping), dik alâsı, bir parça (a bit, a little, a piece of, dollop, dosage, dose, element, faint, ounce, piece, some, something of, somewhat, soupcon). (various references)