0 Old HSK word(s):
冷不防* *

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

冷 cold, cool / lonely
不 no, not / un- / negative prefix
防 defend / prevent / embankment

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




unversehens [leng3 bu4 fang2] 冷不防