(bound form) personal; private; belonging to an individual rather than the public or government

(bound form) feeling; emotion; sentiment; affection; as in 感情 gǎn​qíng or 心情 xīn​qíng

(bound form) secretly; privately; in a hidden or clandestine manner

(bound form) romantic love; passion; lust; as in 爱情 ài​qíng or 情书 qíng​shū