0 Old HSK word(s):
投笔从戎* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

投 throw, cast, fling, pitch / jump
笔 writing brush / write / stroke
从 from, by, since, whence, through
戎 arms, armaments / military affair
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual