a. 违背自身利益的, 有违自己初衷的
在线英汉词典
self-defeating的短语、例句：
self-defeating adj (of a course of action, etc) likely to achieve the opposite of what it should achieve （指步骤等）适得其反的
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.

标签：self-defeating,用法,音标,短语