I only speak a little [language].

American Sign Language:
Knowledge http://commtechlab.msu.edu/sites/aslweb/K/W1982.htm
Limit http://commtechlab.msu.edu/sites/aslweb/L/W2107.htm
A http://commtechlab.msu.edu/sites/aslweb/A/fingerspelling.htm
S http://commtechlab.msu.edu/sites/aslweb/S/fingerspelling.htm
L http://commtechlab.msu.edu/sites/aslweb/L/fingerspelling.htm

English:
I only speak a little English.

French:
Je ne parle qu'un petit peu de fraçais.

Italian:
So soltano un po' di italiano.

Spanish:
Solo hablo un poco de español.

Swahili:
Ninasema Kiswahili kidogo tu.