2 sentences

1. 你背弃了我的信任。

   nǐ bèi​qì le wǒ​de xìn​rèn.

   You betrayed my trust.

   Source: OpenSubtitles

2. 很久以前你就背弃了我们。

   hěn jiǔ yǐ​qián nǐ jiù bèi​qì le wǒ​men.

   You turned your back on us a long time ago.

   Source: OpenSubtitles