凿鑿 záo — chisel
záo (second tone, rising)zao2
Traditional: 鑿
chisel
Levels 7–9· 2021 three-band, nine-level proficiency standardverb
Meanings
chisel
chisel; to bore a hole; to chisel or dig; (literary) (bound form) certain; authentic; irrefutable; also pr. [zuò]
verb