0 Old HSK word(s):
买空卖空* *

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

买 buy, purchase / bribe, persuade
空 empty, hollow, bare, deserted
卖 sell / betray / show off
空 empty, hollow, bare, deserted
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual