2 sentences

1. 老师在我的作文上批了一些评语。

   lǎo​shī zài wǒ de zuò​wén shàng pī le yī​xiē píng​yǔ.

   The teacher wrote some comments on my essay.

   Source: Dong Chinese Dictionary

2. 老师在成绩单上写下了详细的评语。

   lǎo​shī zài chéng​jì​dān shàng xiě​xià le xiáng​xì de píng​yǔ.

   The teacher wrote detailed comments on the report card.

   Source: Dong Chinese Dictionary