0 Old HSK word(s):
钉书* *

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

钉 nail, spike / pursue closely
书 book, letter, document / writings

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual




Heftklammer (S, Tech) [ding4 shu1 zhen1] 钉书针
Tacker, Hefter (S, Tech) [ding4 shu1 ji1] 钉书机