- 内心世界 nèixīnshìjiè inner worlda person's inner world; one's mental or emotional life
- 内心戏 nèixīnxì psychological dramaA performance or scene that focuses on the internal feelings and thoughts of a character.
- 内心深处 nèixīnshēnchù deep in one's heartone's innermost heart; a person's most private feelings and thoughts