钻

刁钻

diāo zuān

crafty

钻进

zuān jìn

to get into

钻石

zuàn shí

diamond

钻孔

zuān kǒng

to bore a hole

血钻

xuè zuàn

blood diamond

钻井

zuān jǐng

to drill (e.g. for oil)

钻井平台

zuān jǐng píng tái

(oil) drilling platform

钻劲

zuān jìn

application to the task

钻卡

zuàn qiǎ

drill chuck

钻圈

zuān quān

jumping through hoops (as acrobatic show)

钻坚仰高

zuān jiān yǎng gāo

lit. looking up to it, it gets higher; boring into it, it gets harder (idiom) (from Analects)

钻压

zuàn yā

pressure on a drill bit