车速
chē sù · HSK 7
vehicle speed
🚗💨 车 car + 速 speed — a car so fast it gets sued (sù)
Chē means car or vehicle. Sù means speed. Together chē sù is vehicle speed, like what a radar gun measures.
车 — pictograph of a chariot/cart
车 is a pictograph originally drawn as a top-down view of a chariot, showing the axle, wheels, and carriage box. The ancient form 車 clearly depicted two wheels connected by an axle. It still means vehicle, cart, or car today.