2 sentences for 阴暗 (yīn'àn — gloomy)

1. 你的行为似乎源自阴暗的内心。

   nǐ de xíng​wéi sì​hū yuán​zì yīn'àn de nèi​xīn.

   Your actions seem to be coming from a dark place.

   Source: OpenSubtitles

2. 这部小说揭露了人性中阴暗的一面。

   zhè bù xiǎo​shuō jiē​lù le rén​xìng zhōng yīn'àn de yī miàn.

   The novel exposes the dark side of human nature.

   Source: Dong Chinese Dictionary