to never go back on one's decision no matter what

a car, an automobile, a carriage, a cart / a wheel, a caster / something wheel-shaped / a style of 紋 (mon, “family crest”) / short for 車海老 (kuruma ebi): a prawn

vehicle

vehicle / train car

used to count vehicles

(rail transport) locomotive

full speed ahead

station wagon

a propaganda truck, a motor vehicle used to spread political messages, especially a vehicle with loudspeakers for delivering such messages

"green car", a passenger car that is more roomy and luxurious than the other cars