Collusion or conspiracy — secretly joining together to pursue wrongful or illegal aims.
複数の業者が結託して価格を操作していたことが発覚した。
It was discovered that several companies colluded to fix prices.
政治家と企業の結託が問題になっている。
Collusion between politicians and companies has become an issue.
結託が明るみに出て関係者は処分を受けた。
The collusion was exposed and those involved were disciplined.