0 → push start -- （汽车因难发动而）推车起动（同 push start）
1 → push-start -- （汽车因难发动而）推车起动（同 push-start）
After bump starting the engine a good start required patience and finesse.
Hawthorn was disqualified for bump starting his stalled car downhill in the opposite direction, on the way to a second place finish.
One thing it did not have, however, was any form of starting mechanism; the rider had to paddle or bump start to get the engine going.
