οὐ γὰρ ᾔδει τί λαλήσῃ· ἦσαν γὰρ ἔκφοβοι.

1. οὐ
   not
2. γὰρ
   for
3. ᾔδει
   he knew
   knew
4. τί
   what
   something
5. λαλήσῃ
   speaks
   he speaks, he speak
6.  
   ·
    
7. ἦσαν
   were
8. γὰρ
   for
9. ἔκφοβοι
   terrified
10.  
    .
     

For he did not know what to say, for they were terrified.