3 sentences

1. 法院裁定该协议无效。

   fǎ​yuàn cái​dìng gāi xié​yì wú​xiào.

   The court ruled that the agreement was invalid.

   Source: Dong Chinese Dictionary

2. 我们裁定被告有罪。

   wǒ​men cái​dìng bèi​gào yǒu​zuì.

   We find the defendant guilty.

   Source: OpenSubtitles

3. 经过长达一年的审判，他最终被裁定叛国罪成立。

   jīng​guò cháng​dá yī nián de shěn​pàn, tā zuì​zhōng bèi cái​dìng pàn​guó​zuì chéng​lì.

   After a year-long trial, he was finally convicted of treason.

   Source: Dong Chinese Dictionary