en_tn/ezk/21/15.md

Yahweh continues giving Ezekiel his message to the people of Jerusalem and of the land of Israel.

to multiply their stumbling blocks

"to make things very difficult for them"

their gates

The word "their" refers to the people of Jerusalem.

wherever your sharp edge wishes

AT: "wherever I have assigned your sharp edge to go."

I, Yahweh, declare it

See how you translated "I, Yahweh have declared this" in Ezekiel 5:15.