6 sentences

1. 请轻声关门，不要吵醒孩子。

   qǐng qīng​shēng guān​mén, bù yào chǎo​xǐng hái​zi.

   Please close the door quietly; don't wake the child.

   Source: Dong Chinese Dictionary

2. 她轻声呼着睡梦中孩子的名字。

   tā qīng​shēng hū zhe shuì​mèng zhōng hái​zi de míng​zi.

   She softly whispered the child's name as they slept.

   Source: Dong Chinese Dictionary

3. 他嗓子有些痒，忍不住轻声咳了几下。

   tā sǎng​zi yǒu​xiē yǎng, rěn bù zhù qīng​shēng ké le jǐ xià.

   His throat felt a bit itchy, and he couldn't help coughing softly a few times.

   Source: Dong Chinese Dictionary

4. 他在临别之际，轻声向我道了一句晚安。

   tā zài lín​bié zhī​jì, qīng​shēng xiàng wǒ dào le yī jù wǎn'ān.

   As he was leaving, he softly bid me goodnight.

   Source: Dong Chinese Dictionary

5. 他看着手中的工尺谱，轻声唱出了尺这个音。

   tā kàn zhe shǒu zhōng de gōng​chě​pǔ, qīng​shēng chàng​chū le chě zhè​ge yīn.

   He looked at the Gongche notation in his hand and softly sang the note 'chi'.

   Source: Dong Chinese Dictionary

6. 在普通话里，“桌子”的“子”念轻声。

   zài pǔ​tōng​huà lǐ,“ zhuō​zi” de“ zi” niàn qīng​shēng.

   In Mandarin, the "zi" in "zhuozi" is pronounced with a neutral tone.

   Source: Dong Chinese Dictionary