3 sentences

1. 他性格深沉，很少向人吐露心声。

   tā xìng​gé shēn​chén, hěn shǎo xiàng rén tǔ​lù xīn​shēng.

   He has a reserved character and rarely confides in others.

   Source: Dong Chinese Dictionary

2. 他真正耐心地倾听病人的心声。

   tā zhēn​zhèng nài​xīn de qīng​tīng bìng​rén de xīn​shēng.

   He listened to his patients with real patience.

   Source: OpenSubtitles

3. 这首歌表达了无数年轻人的心声。

   zhè shǒu gē biǎo​dá le wú​shù nián​qīng​rén de xīn​shēng.

   This song expresses the inner feelings of countless young people.

   Source: Dong Chinese Dictionary