Mark 9:6

6 for he was not knowing what he might say, for they were greatly afraid.

Mark 9:6 Meaning and Commentary

Mark 9:6

For he wist not what to say
He did not know what he should say, or what was proper to be said by him, at such a time, in such circumstances, and before such persons;

for they were sore afraid.
The Persic version reads, "he was": and so the Latin translation of the Syriac, though that itself is, "they were"; for all three were filled with consternation at what they saw and heard; so that they were scarcely themselves, and knew not well what they said or did.

Mark 9:6 In-Context

4 And there appeared to them Elijah with Moses, and they were talking with Jesus.
5 And Peter answering saith to Jesus, `Rabbi, it is good to us to be here; and we may make three booths, for thee one, and for Moses one, and for Elijah one:'
6 for he was not knowing what he might say, for they were greatly afraid.
7 And there came a cloud overshadowing them, and there came a voice out of the cloud, saying, `This is My Son -- the Beloved, hear ye him;'
8 and suddenly, having looked around, they saw no one any more, but Jesus only with themselves.
Young's Literal Translation is in the public domain.