en_tn/mat/20/29.md

This begins an account of Jesus healing two blind men.

As they went

This is speaking about the disciples and Jesus.

followed him

"followed Jesus"

Behold

The writer is telling the reader to pay attention to the surprising information that follows. Your language may have a way of doing this.

was passing by

"was walking by them"

they cried out all the more

"the blind men shouted more than before" or "they shouted louder"