勾结 (gōu jié): เพื่อสมรู้ร่วมคิดกับ

He was accused of colluding with a criminal gang and participating in illegal transactions.

The two companies secretly colluded to manipulate market prices.

Officials colluded with businessmen, leading to serious corruption problems.

They colluded together in an attempt to deceive consumers.

The police discovered that he had colluded with the underworld.