0 Old HSK word(s):
摸不着边* *

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

摸 gently touch with hand / caress
不 no, not / un- / negative prefix
着 make move, take action
边 edge, margin, side, border
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual