4 sentences

1. 他的手臂上有一道明显的伤痕。

   tā de shǒu​bì shàng yǒu yī dào míng​xiǎn de shāng​hén.

   There is a noticeable scar on his arm.

   Source: Dong Chinese Dictionary

2. 经历了这场激烈的战斗，他的盾牌已经伤痕累累。

   jīng​lì le zhè cháng jī​liè de zhàn​dòu, tā de dùn​pái yǐ​jīng shāng​hén lěi​lěi.

   After this fierce battle, his shield was riddled with scars.

   Source: Dong Chinese Dictionary

3. 这棵老树的干上布满了伤痕，诉说着岁月的沧桑。

   zhè kē lǎo​shù de gàn shàng bù​mǎn le shāng​hén, sù​shuō zhe suì​yuè de cāng​sāng.

   The trunk of this old tree is covered with scars, telling the story of the passing years.

   Source: Dong Chinese Dictionary

4. 这段痛苦的回忆在他心头留下了深深的伤痕。

   zhè duàn tòng​kǔ de huí​yì zài tā xīn​tóu liú​xià le shēn​shēn de shāng​hén.

   This painful memory left deep emotional scars in his heart.

   Source: Dong Chinese Dictionary