0 Old HSK word(s):
蚍蜉撼树* *

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

蚍 mussels / various shellfish
蜉 mayfly / kind of large insect
撼 move, shake / (Cant.) to fight
树 tree / plant / set up, establish
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual