down and dirty
不择手段,使用任何手段来达到目的
口语·形容不择手段或激烈竞争
英文释义
engaging in honest and often unscrupulous behavior in order to achieve a desired outcome
例句
The campaign got down and dirty when candidates started spreading false rumors about each other.
典故来源
源自20世纪美国口语,原指肮脏或低俗,后引申为不择手段、毫无顾忌的行为。