loophole

详细解释:n. 枪眼, 小窗, 换气孔

英语解释：

名词 loophole:

an ambiguity (especially one in the text of a law or contract) that makes it possible to evade a difficulty or obligationa small hole in a fortified wall; for observation or discharging weapons

例句：

Charles was charged with speeding but was acquitted because of a loophole in the law witch states that the arresting officer should have been in uniform.查尔斯被指控超速行驶，但后来又被宣布无罪，因为他钻了法律的空子，法律明文规定：执行任务的警察应该穿上警服。