en_tn/mat/12/28.md

This continues an account of the Pharisees saying that it was by the power of Satan that Jesus healed a man.

upon you

upon the Pharisees

without tying up the strong man first

"without taking control of the strong man first"

who is not with me

“who does not support me” or “who does not work with me”

is against me

“works against me” or "destroys my work"

gather

This is the common term for harvesting crops. (See: rc://en/ta/man/translate/figs-metaphor)