0 Old HSK word(s):
吃一堑长一智* *

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

吃 eat / drink / suffer, endure, bear
一 one / a, an / alone
堑 moat, trench, pit, cavity
长 long / length / excel in / leader
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual