My recent download has fields labeled with oriental characters. 

I find nothing in Preferences to offer a choice of language.

Elvin Birth,
GRAMPS: 4.0.2 
Python: 2.7.3 (default, Nov  8 2013, 10:09:51) [... 
BSDDB: 4.8.4.2 (4, 8, 30) 
LANG: en_US.UTF-8
OS: Darwin
Distribution: 10.8.0