ἔλεγον οὖν· τοῦτο τί ἐστιν ὃ λέγει τὸ μικρόν; οὐκ οἴδαμεν τί λαλεῖ.

1. ἔλεγον
   they were saying
   i was saying, were saying
2. οὖν
   therefore
3.  
   ·
    
4. τοῦτο
   this
5. τί
   what
   something
6. ἐστιν
   is
7. ὃ
   the
8. λέγει
   says
9. τὸ
   the
10. μικρόν
    little
    small
11.  
    ;
     
12. οὐκ
    not
13. οἴδαμεν
    we know
14. τί
    what
    something
15. λαλεῖ
    speaks
16.  
    .
     

Therefore they were saying, What is this that he says, a little while? We do not know what he is talking about.