5 sentences

1. 只消几天工夫就能做好。

   zhǐ xiāo jǐ tiān gōng​fu jiù néng zuò hǎo.

   It will only take a few days to get it done.

   Source: Dong Chinese Dictionary

2. 他最近正忙着，没工夫跟你闲聊。

   tā zuì​jìn zhèng máng zhe, méi gōng​fu gēn nǐ xián​liáo.

   He's busy lately and doesn't have time to chat with you.

   Source: Dong Chinese Dictionary

3. 只要工夫深，铁杵磨成针。

   zhǐ​yào gōng​fu shēn, tiě​chǔ mó chéng zhēn.

   With enough hard work, even an iron rod can be ground into a needle.

   Source: Dong Chinese Dictionary

4. 这里的工夫正忙着搬运货物。

   zhè​lǐ de gōng​fū zhèng máng zhe bān​yùn huò​wù.

   The laborers here are busy carrying goods.

   Source: Dong Chinese Dictionary

5. 这个老木匠的工夫非常了得。

   zhè​ge lǎo mù​jiàng de gōng​fu fēi​cháng liǎo​de.

   This old carpenter's craftsmanship is superb.

   Source: Dong Chinese Dictionary