0 Old HSK word(s):
毫不在乎* *

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

毫 fine hair / measure of length
不 no, not / un- / negative prefix
在 be at, in, on / consist in, rest
乎 interrogative or exclamatory final particle
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual