金刚钻

jīngāngzuàn

金刚钻 — jīngāngzuàn

1. diamond drill / diamond-tipped bit (tool for drilling hard materials)

   工人用金刚钻在玻璃上打孔。 gōngrén yòng jīngāngzuàn zài bōlí shàng dǎkǒng — The worker used a diamond drill to make a hole in the glass.

2. rarely: diamond (as a metaphor for something extremely hard or valuable)

   那块金刚钻般的宝石在阳光下闪耀。 nàkuài jīngāngzuàn bānde bǎoshí zài yángguāng xià shǎnyào — That gem, like a diamond, sparkled in the sunlight.

3. appears in the proverb '没金刚钻别揽瓷器活' — used figuratively to mean 'don't take on a job you don't have the skill or tools for' / 'don't bite off more than you can chew'

   老板警告我：没金刚钻别揽瓷器活，先确定自己能做再答应。 lǎobǎn jǐnggào wǒ méi jīngāngzuàn bié lǎn cíqìhuó xiān quèdìng zìjǐ néng zuò zài dāyìng — The boss warned me: 'If you don't have the diamond drill, don't take on porcelain work'—make sure you can do it before you agree.