凿

开凿

kāi záo

to cut (a canal, tunnel, well etc)

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

圆凿方枘

yuán záo fāng ruì

see 方枘圓鑿|方枘圆凿[fang1 rui4 yuan2 zao2]