The Knowledge
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What it really means
The famously difficult exam London black-cab drivers must pass, memorising about 25,000 streets and thousands of places. It can take years. It is why black-cab drivers rarely need a satnav.
Chinese explanation
伦敦黑色出租车司机必须通过的著名超难考试，要记住约2.5万条街道和数千个地点，常需数年时间。这也是黑出租司机基本不用导航的原因。
Example conversation
A: The driver did not use a satnav once and took every back street.
B: Black-cab drivers do the Knowledge, they memorise the whole of London.
A：司机全程没用导航，还专挑小路走。
B：黑出租司机都考过the Knowledge，整个伦敦的路都在他们脑子里。
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· Last checked 24 July 2026 · Report a mistake