záo

(bound form) chisel; to bore a hole; to chisel; to dig; (literary) certain; authentic; irrefutable

verb HSK 3.0 · Band 7 trad. 鑿

Watch it being written

Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.

See it in sentences

他凿了个洞。

He chiseled a hole.

他在凿石头。

He is chiseling stone.