phah-thong-thò拍通套

to collude with

to collude with (each other); to gang up; to conspire

English Wiktionary, “拍通套” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%8B%8D%E9%80%9A%E5%A5%97 · confidence: Medium (Wiktionary)