kio-kiat勾結

to collude with

to collude with; to conspire; to gang up with; to collaborate (to voluntarily cooperate treasonably)

English Wiktionary, “勾結” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%8B%BE%E7%B5%90 · confidence: Medium (Wiktionary, Hokkien)