sī​qíng

love affair

私情 sī​qíng
love affair noun
a secret or illicit romantic relationship

Both of them resigned after their secret affair was exposed.

personal considerations noun
personal feelings or biases, especially those that conflict with public duty or official policy

One must never mix personal feelings with official business.

Frequency

Movie subtitles
1.82 per million appears in 1% of films
Written text
0.951 per million

Sources

Definitions
CC-CEDICT