3 sentences

1. 他在法庭上公开认罪。

   tā zài fǎ​tíng shàng gōng​kāi rèn​zuì.

   He pleaded guilty in open court.

   Source: Dong Chinese Dictionary

2. 他应该认罪。

   tā yīng​gāi rèn​zuì.

   He should plead guilty.

   Source: OpenSubtitles

3. 她想要认罪。

   tā xiǎng​yào rèn​zuì.

   She wants to plead guilty.

   Source: OpenSubtitles