1 New HSK word(s): 6 锲而不舍 to chip away at a task and not abandon it (idiom)/ to chisel away at sth/ to persevere/ unflagging efforts
2 Old HSK word(s): B VA 刻* ke4 schnitzen
1. Viertelstunde
2. Moment C VA 凿* zao2 1. Meißel, Stechbeitel 2.meißeln, stemmen
2 OLD_HSK Thai word(s): 
(Quellenhinweis: Die deutschen Merkwörter stammen von taeglich.chinesisch-trainer.de)
凿 * ** ZAO2
สลัก; แกะสลัก 刻 chisel; carve สลัก 凿 chisel; dig; cut a hole 
สิ่ว 凿子 chisel der Meißel, - le burin el cincel
Grade E word(s):
872 kapnu कप्नु to carve, to chisel v.t.
Wordnet Core Senses: Adjectives, Verbs, Nouns:
01259328-v chisel 02573275-v chisel 02574516-v chisel 03020692-n chisel
0 Multi-Lingual Sentence(s):
3000 MCC Sätze ( oder: 10000 Experten-Sätze) +
Semantische Felder:
3.41 Scharf, spitz
5.39 Erzeugung
