en_tn_condensed/1th/02/16.md

They forbid us to speak

"They try to make us stop speaking"

they always fill up their sins

Paul speaks as though someone can fill a container with his sins as with liquid. (See: rc://en/ta/man/translate/figs-metaphor)

wrath will overtake them in the end

This refers to God finally judging and punishing people for their sins.