somebody wrote the book on somethingspokenKNOW something used to say that someone knows a lot about a subject or is very good at an activity 某人精通某事物 Motorola wrote the book on quality control. 摩托罗拉精通质量监控。
somebody wrote the book on something• Cheryl wrote the book on being irresponsible.• It wrote the book on quality control.• Hartley wrote the book on self-serving.
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