1 sentence

1. 您对舍弟的提携之恩，我感同身受，铭记在心。

   nín duì shè​dì de tí​xié zhī ēn, wǒ gǎn​tóng​shēn​shòu, míng​jì zài xīn.

   I am as grateful for your help to my brother as if it were for me, and I will keep it in my heart.

   Source: Dong Chinese Dictionary