4 sentences

1. 我不会背弃自己的信仰。

   wǒ bù huì bèi​qì zì​jǐ de xìn​yǎng.

   I won't betray my faith.

   Source: OpenSubtitles

2. 无论遇到什么困难，他都不会背弃自己的信仰。

   wú​lùn yù​dào shén​me kùn​nan, tā dōu bù huì bèi​qì zì​jǐ de xìn​yǎng.

   No matter what difficulties he encounters, he will not abandon his faith.

   Source: Dong Chinese Dictionary

3. 他公开背弃了原本的信仰，被以前的信徒们斥为异教徒。

   tā gōng​kāi bèi​qì le yuán​běn de xìn​yǎng, bèi yǐ​qián de xìn​tú men chì wéi yì​jiào​tú.

   He publicly renounced his original faith and was denounced as a heretic by former believers.

   Source: Dong Chinese Dictionary

4. 他在公司最困难的时候背弃了合作伙伴。

   tā zài gōng​sī zuì kùn​nan de shí​hou bèi​qì le hé​zuò​huǒ​bàn.

   He abandoned his partners when the company was at its most difficult time.

   Source: Dong Chinese Dictionary