Translation guide
The main forward-facing light on a vehicle, used for driving at night or in low visibility.
The main light on the front of a car, motorcycle, or other vehicle.
The most common and general term for a vehicle's headlight. Used for cars, motorcycles, etc.
Please turn on your headlights at night.
The headlight is out.
Formal or technical term for headlight, often used in vehicle regulations or manuals.
The headlights must meet inspection standards.
Casual term for 'light', often used in context to mean headlight. Can be ambiguous, so context is important.
The lights are dim, so let's replace them.