gōng fū
他三天工夫就学会了游泳。
Tā sān tiān gōngfu jiù xuéhuì le yóuyǒng.
He learned to swim in just three days.
明天有工夫再来玩儿吧！
Míngtiān yǒu gōngfu zài lái wánr ba!
Come over to play again tomorrow when you have time!
我当闺女那工夫，婚姻全凭父母之命，媒妁之言。
Wǒ dāng guīnǚ nà gōngfu, hūnyīn quán píng fùmǔ zhī mìng, méishuò zhī yán.
When I was a young unmarried woman, marriages were entirely arranged by parents' orders and matchmakers' words.