Albert Barnes Commentary Jeremiah 3:25

"Let us lie down in our shame, and let our confusion cover us; for we have sinned against Jehovah our God, we and our fathers, from our youth even unto this day; and we have not obeyed the voice of Jehovah our God." — Jeremiah 3:25 (ASV)

We lie down ... - Or, We will lie down: we are ready to throw ourselves upon the ground in bitter humiliation.

Covereth - literally, shall cover us. We will hide our face from others.