那个商人贿赂了官员以获得合同。

The businessman ___bribed the official to get the contract.

有人对骰子动了手脚，让游戏结果对他们有利。

Someone had ___tampered with the dice to make the game outcome favor them.

有人在比赛前对马匹做了手脚，让它跑不快。

Someone had ___nobbled the horse before the race to slow it down.