gōu​da

fool around

勾搭 gōu​da
fool around verb
to flirt with or enter into an illicit romantic or sexual relationship

He was cheating on his wife and carrying on with someone else.

gang up verb
to collude or join forces with others for a nefarious or illegal purpose

They teamed up and committed many illegal acts.

Frequency

Movie subtitles
5.10 per million appears in 2% of films
Written text
3.59 per million

Sources

Definitions
CC-CEDICT