2 sentences

1. 听完这个故事，他感到十分心酸。

   tīng wán zhè​ge gù​shi, tā gǎn​dào shí​fēn xīn​suān.

   He felt a deep sense of sorrow after hearing the story.

   Source: Dong Chinese Dictionary

2. 看到那个孤苦伶仃的老人，我不禁感到一阵心酸。

   kàn​dào nà​gè gū​kǔ​líng​dīng de lǎo​rén, wǒ bù​jīn gǎn​dào yī zhèn xīn​suān.

   Seeing that lonely old man, I couldn't help but feel a pang of sadness.

   Source: Dong Chinese Dictionary