We may need to redistribute our own troops to try to take the villages back or better defend them.
So they could better defend themselves against possible enemies.
"Even so, I think we had better defend ourselves, Chief."
Working together, the three of us should be able to better defend Bajor than we could if we did not cooperate.
I spotted right away how cute you were and knew I'd better defend you.
"You had better defend yourself, or you will be helpless."
"This report will help our country identify even more steps we can take to better defend America."
If they're hostile, we can defend better from within the walls.
"We have to defend better against set pieces."
"Let's use the 20 hours to better defend ourselves, our streets, our houses."