deterrent

something that makes people decide not to do something by making them realise that something unpleasant could happen to them ซึ่งขัดขวาง, ซึ่งยับยั้ง

"The [merit protection] system is intended to be a deterrent to [abuse of authority] and I never thought I would have to seek legal protection," he said.

``There is no deterrent in this country for animal cruelty, so the problem just spreads,'' Ms Chin said.

An uprising never materialised in Tripoli, in part because a bloody crackdown on protesters in February by Col Gadhafi's forces had served as a deterrent to those inside the city who might try to challenge the government's authority.