凿

凿井

záo jǐng

to dig a well

凿壁偷光

záo bì tōu guāng

lit. to pierce the wall to steal a light (idiom)

凿岩

záo yán

(rock) drilling

凿岩机

záo yán jī

rock drill

凿枘

záo ruì

see 枘鑿|枘凿[rui4 zao2]

凿死卯子

záo sǐ mǎo zi

variant of 鑿死鉚子|凿死铆子[zao2 si3 mao3 zi5]

凿死铆子

záo sǐ mǎo zi

(dialect) stubborn; obstinate; inflexible

凿沉

záo chén

to scuttle (a ship)

凿石场

záo shí chǎng

rock quarry

凿空

záo kōng

to open an aperture

开凿

kāi záo

to cut (a canal, tunnel, well etc)

圆凿方枘

yuán záo fāng ruì

see 方枘圓鑿|方枘圆凿[fang1 rui4 yuan2 zao2]