0 Old HSK word(s):
乘虚而入* *

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

乘 ride, ascend / avail oneself of / numerary adjunct for vehicles
虚 false
而 and / and then / and yet / but
入 enter, come in(to), join
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual