钻

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

钻孔

zuān kǒng

to bore a hole

钻床

zuàn chuáng

drilling machine; drill press

钻心

zuān xīn

to sneak in

钻心虫

zuān xīn chóng

boring insect