2 sentences for 悄悄话 (qiāo​qiao​huà)

1. 两个好朋友躲在房间里说着悄悄话。

   liǎng gè hǎo péng​you duǒ zài fáng​jiān lǐ shuō zhe qiāo​qiao​huà.

   The two good friends hid in the room and whispered to each other.

   Source: Dong Chinese Dictionary

2. 这对情侣在月光下漫步，低声诉说着悄悄话。

   zhè duì qíng​lǚ zài yuè​guāng xià màn​bù, dī​shēng sù​shuō zhe qiāo​qiao​huà.

   The couple strolled under the moonlight, whispering sweet nothings to each other.

   Source: Dong Chinese Dictionary