Definition
When a vehicle pulls off, it begins to move.
（車輛）開始行駛
When the traffic light turned green, the driver pulled off the sidewalk.
當交通燈轉綠時，司機從人行道開始行駛。
She slowly pulled off in the parking lot and successfully started to drive.
她慢慢地在停車場開始行駛，並成功地開動了。
After waiting for a few minutes, the taxi finally pulled off.
在等了幾分鐘後，計程車終於開始行駛了。