self-defeating

详细解释:a. 违背自身利益的, 有违自己初衷的

英语解释：

形容词 self-defeating:

acting to defeat its own purpose

例句：

Punishing the demonstrators is self-defeating because it only encourages further demonstrations.惩治示威群众可谓事与愿违，因为这反而会激发起更多的示威游行。