有染

yǒurǎn
to have an affair with sb

CEDICT

to be involved (in immoral behaviour); to have an illicit affair (with)

Wiktionary

男女发生暧昧关係。

重編國語辭典

与不好的东西有牵连；不正当的交往、恋爱关係。

維基詞典

Entry Composition

1 有 yǒu
  1. to have; there is
  2. (bound form) having; with; -ful; -ed; -al (as in 有意 yǒuyì intentional)
2 染 rǎn
  1. to dye
  2. to catch (a disease)
  3. to acquire (bad habits etc)
  4. to contaminate
  5. to add color washes to a painting