Usage of the character 鑽

small diamonds
melee (small diamonds used in embellishing mountings for larger gems)
splints (sharp-pointed diamond splinters)
clatersal (small diamond splints from which diamond powder is produced by crushing)

zuànjī

钻机

[鑽機]

drilling machine

zuànyā

钻压

[鑽壓]

pressure on a drill bit

zuāndòng

钻洞

[鑽洞]

to bore
to burrow
to crawl through a tunnel

zuāntàn

钻探

[鑽探]

to conduct exploratory drilling

bīngzuàn

冰钻

[冰鑽]

ice auger

zuānxīn

钻心

[鑽心]

to sneak in
to infiltrate
to be piercingly painful
to be unbearable (of pain, itch etc)

zuānjìn

钻进

[鑽進]

to get into
to dig into (studies, job etc)
to squeeze into

luósīzuàn

螺丝钻

[螺絲鑽]

auger
gimlet
screwdriver (cocktail)

zuānxīnchóng

钻心虫

[鑽心蟲]

boring insect
snout moth's larva (Aphomia gullaris or Plodia interpuncuella or Heliothus armigera etc), major agricultural pest

chōngjīzuàn

冲击钻

[衝擊鑽]

impact drill
hammer drill

zuānniújiǎo

钻牛角

[鑽牛角]

lit. honing a bull's horn; fig. to waste time on an insoluble or insignificant problem
to bash one's head against a brick wall
a wild goose chase
a blind alley
to split hairs
same as idiom 鑽牛角尖／钻牛角尖

zuānzhuōzi

钻桌子

[鑽桌子]

to crawl under a table (e.g. as a penalty for losing in a card game)

zuāntànjī

钻探机

[鑽探機]

drilling machine

píngsāizuàn

瓶塞钻

[瓶塞鑽]

corkscrew

zuānkòngzi

钻空子

[鑽空子]

to take advantage of a loophole; to exploit an advantage; to seize the opportunity (esp. to do sth bad)

dǎkǒngzuàn

打孔钻

[打孔鑽]

auger
drill

qūbǐngzuàn

曲柄钻

[曲柄鑽]

hand drill with a crank handle

dúlìzuànshí

独立钻石

[獨立鑽石]

solitaire (puzzle)

jīnglíngbǎozuàn

精灵宝钻

[精靈寶鑽]

treasure of spirits
Silmarillion or Quenta Silmarillion by J.R.R. Tolkien 托爾金／托尔金

wàntóuzuāndòng

万头钻动

[萬頭鑽動]

milling crowds

zuānniújiǎojiān

钻牛角尖

[鑽牛角尖]

lit. to penetrate into a bull's horn (idiom); fig. to waste time on an insoluble or insignificant problem
to bash one's head against a brick wall
a wild goose chase
a blind alley
to split hairs

qiāodīngzuānjiǎo

敲钉钻脚

[敲釘鑽腳]

to make doubly sure (idiom)

zuānjǐngpíngtái

钻井平台

[鑽井平台]

(oil) drilling platform

kèkǔzuānyán

刻苦钻研

[刻苦鑽研]

to study diligently

zuāngùzhǐduī

钻故纸堆

[鑽故紙堆]

to dig into piles of outdated writings (idiom); to study old books and papers

jiànfèngjiùzuān

见缝就钻

[見縫就鑽]

lit. to squeeze into every crack (idiom)
fig. to make the most of every opportunity

wúkǒngbùzuān

无孔不钻

[無孔不鑽]

lit. leave no hole undrilled (idiom); to latch on to every opportunity

zuānjiānyǎnggāo

钻坚仰高

[鑽堅仰高]

lit. looking up to it, it gets higher; boring into it, it gets harder (idiom) (from Analects)
fig. to delve deeply into one's studies
meticulous and diligent study

zuānmù-qǔhuǒ

钻木取火

[鑽木取火]

to drill wood to make fire

zuànshíwánglǎowǔ

钻石王老五

[鑽石王老五]

highly eligible bachelor
desirable male partner