2 sentences

1. 这也太自相矛盾了吧。

   zhè yě tài zì​xiāng​máo​dùn le ba.

   That's such a contradiction.

   Source: OpenSubtitles

2. 他说的话自相矛盾，让人无法相信。

   tā shuō de huà zì​xiāng​máo​dùn, ràng rén wú​fǎ xiāng​xìn.

   What he said was self-contradictory and impossible to believe.

   Source: Dong Chinese Dictionary