0 Old HSK word(s):
急不可待* *

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

急 quick, quickly / urgent, pressing
不 no, not / un- / negative prefix
可 may, can, -able / possibly
待 treat, entertain, receive / wait
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual