钻空子

• Pinyin: zuān kòng zi
• Hanzi breakdown: 钻 = 钅+ 钻 (metal radical — to drill); 空 = 穴 + 工 (hole + work — empty/gap); 子 = child/particle

Meaning

To exploit a loophole; to take advantage of a gap or weakness in rules, regulations, or systems for personal gain.

A colloquial expression describing opportunistic behaviour that circumvents the intent of rules while technically remaining within their letter. Common in legal, business, and social contexts when criticising those who benefit unfairly.

Examples

1. 一些不良商家总是试图钻法律的空子，以不正当手段牟取暴利，严重扰乱了市场秩序。 Some unscrupulous businesses are always trying to exploit legal loopholes and make huge profits through improper means, seriously disrupting market order.
2. 监管部门发现有企业钻政策空子，将资金违规转移，随即展开了全面调查。 Regulators discovered that a company had exploited a policy loophole to transfer funds illegally, and immediately launched a full investigation.
3. 他善于钻制度的空子，在报销环节虚报费用，最终被公司审计发现并依规处理。 He was good at exploiting gaps in the system, falsely reporting expenses during reimbursement, and was eventually discovered by the company's auditors and handled according to the rules.

Usage Guide

Context: law, business, social criticism

Tone: disapproving

Do Say

• 该公司被查出长期钻税收政策的空子，逃缴了大量应纳税款，相关负责人已被依法追究责任。(The company was found to have long exploited loopholes in tax policy to evade a large amount of taxes owed, and those responsible have been held legally accountable.)
• 监督机制不健全，就会给心存侥幸的人留下钻空子的机会，所以制度设计必须尽量周密。(An unsound supervisory mechanism gives those who harbour wishful thinking the opportunity to exploit loopholes, so institutional design must be as comprehensive as possible.)

Don't Say

• 我只是钻了个空子而已，没什么大不了的 — downplaying rule exploitation this way is inappropriate in formal settings; avoid trivialising such behaviour

Origin & History

钻 (to drill/penetrate) + 空子 (gap/loophole)

Cultural Context

Generation: All ages

Social background: Universal