2 sentences

1. 门自动关闭；他能听到锁的喀喀声。

   mén zì​dòng guān​bì; tā néng tīng dào suǒ de kā kā shēng.

   The door closed automatically; he could hear the click of the lock.

   Source: CCMatrix

2. 喀嚓一声，她用膝盖折断了扫帚柄。

   kā​chā yī​shēng, tā yòng xī​gài zhé duàn le sào​zhou bǐng.

   She broke the broom handle over her knee with a loud snap.

   Source: AI Challenger 2017