A (吶) 吶 na* 
particle used in the same way as ne 
Partikel wie ne Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
呐* * + +
呐喊* * + +
呐喊助威* * + +
from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License
吶' + 呐* * + battle cry/
吶' + 呐* * + sentence-final particle (abbr. for 呢啊/