“空子”表示“loophole”,“钻空子”英文可以翻译为“avail oneself of the loopholes(in a law, contract, etc)”或“take undue advantage of the loophole”。常见说法如“钻制度的空子(take undue advantage of the loopholes in the rules and regulations)”。
例句:
严防坏人钻空子
Take strict precautions against giving bad people an opening