gōng fu
skill
art
kung fu
labor
effort
gōng fu chá
very concentrated type of tea drunk in Chaozhou, Fujian and Taiwan
zuò gōng fu
to practice (work skills)
zhǐ yào gōng fu shēn , tiě chǔ mó chéng zhēn
If you work at it hard enough, you can grind an iron bar into a needle.
cf idiom 磨杵成針|磨杵成针, to grind an iron bar down to a fine needle (idiom); fig. to persevere in a difficult task
to study diligently
zhuā gōng fu
to maximize one's time
to catch some time out
to find enough time
(also 抓工夫)