2:11a in order that Satan should not outwit us.

so that Satan might not gain an advantage over us (incl.).
-or-
If we do not do that, Satan will ⌊outsmart us and⌋ exploit us.

2:11b For we are not unaware of his schemes.

For we (incl.) are not ignorant of his plans/purposes.
-or-
For we know that he is always planning ways ⌊to convince/tempt us to sin⌋.

© 2016 by SIL International®
Made available under the terms of a Creative Commons Attribution-ShareAlike 4.0 License (CC BY-SA) creativecommons.org/licenses/by-sa/4.0.
All Scripture quotations in this publication, unless otherwise indicated, are from The Holy Bible, Berean Standard Bible.
BSB is produced in cooperation with Bible Hub, Discovery Bible, OpenBible.com, and the Berean Bible Translation Committee.