2 sentences for 光明 (guāng​míng — openhearted)

1. 他为人光明磊落，深受大家信任。

   tā wéi​rén guāng​míng lěi luò, shēn shòu dà​jiā xìn​rèn.

   He is open and upright, and is deeply trusted by everyone.

   Source: Dong Chinese Dictionary

2. 他为人光明，从不在别人背后搞小动作。

   tā wéi​rén guāng​míng, cóng bù zài bié​ren bèi​hòu gǎo xiǎo​dòng​zuò.

   He is an upright person and never does anything underhanded behind people's backs.

   Source: Dong Chinese Dictionary