3 sentences

1. 匠人用矩来校准直角。

   jiàng​rén yòng jǔ lái jiào​zhǔn zhí​jiǎo.

   The craftsman used a square to calibrate the right angles.

   Source: Dong Chinese Dictionary

2. 匠人在石柱上雕了许多精美的云纹。

   jiàng​rén zài shí​zhù shàng diāo le xǔ​duō jīng​měi de yún​wén.

   The craftsman carved many exquisite cloud patterns on the stone pillars.

   Source: Dong Chinese Dictionary

3. 古代匠人常通过精密的技术来铸造精美的钱币。

   gǔ​dài jiàng​rén cháng tōng​guò jīng​mì de jì​shù lái zhù​zào jīng​měi de qián​bì.

   Ancient craftsmen often used precise techniques to cast exquisite coins.

   Source: Dong Chinese Dictionary