2 Old HSK word(s): 
☊凿 ** C ☊确凿 ** D
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
确 sure, certain / real, true
凿 chisel / bore, pierce
Hsk Characters: 凿 *
HSK -Characters and beyond:
| Gb | Big5 | Eng | Rad | Mega | Triple | Multilingual |
|---|
| 凿 + | 鑿 + + | chisel / bore, pierce | 凵 | 业 | Pit 业 (BRANCHE ) zao2 | + |
Bohraufschluss [zuan1 zuo4 tan4 jing3] 
钻凿探井
bohren [zuan1 zao2] 钻凿
Bohrloch (S)ein Loch bohren (V) [zao2 dong4] 凿洞
einwandfrei (Adj) [que4 zao2 wu2 yi2] 确凿无疑
felsenfest (Adj) [que4 zao2] 确凿
graben (V)meißeln (V) [zao2] 凿
herausmeißeln (V) [zao2 chu1] 凿出
künstlich (Adj, Sprachw)Axt und Meißel (S) [fu3 zao2] 斧凿
Meißel (S) [zao2 zi5] 凿子
mit dem Meißel entnehmen [zao2 qu3] 凿取
untertunneln (V) [kai1 zuo4 sui4 dao4] 开凿隧道
wie die Faust auf's Auge (Sprichw) [fang1 rui4 yuan2 zao2] 方枘圆凿
