0 Old HSK word(s):
打通关节* *

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

打 strike, hit, beat / fight / attack
通 pass through, common, communicate
关 frontier pass / close / relation
节 knot, node, joint / section
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual