3 sentences

1. 这台老挂钟的摆停了。

   zhè tái lǎo guà​zhōng de bǎi tíng le.

   The pendulum of this old wall clock has stopped moving.

   Source: Dong Chinese Dictionary

2. 请告诉我那不是一个紫色的挂钟。

   qǐng gào​su wǒ nà bù shì yī gè zǐ​sè de guà​zhōng.

   Please tell me that's not a purple wall clock.

   Source: OpenSubtitles

3. 那个古老挂钟的钟摆正在箱体里来回摆动。

   nà gè gǔ​lǎo guà​zhōng de zhōng​bǎi zhèng​zài xiāng​tǐ lǐ lái​huí bǎi​dòng.

   The pendulum of that old wall clock is swinging back and forth inside the case.

   Source: Dong Chinese Dictionary