in the fast lane
01
快速发展, 走上快车道
in a state of moving or progressing rapidly, particularly with regards to one's career, success, or lifestyle
习语
例子
After the promotion, her career moved into the fast lane.
升职后，她的事业进入了快车道。
02
in a way that involves danger yet is full of excitement and adventure
习语
非正式
例子
Ever since he started traveling the world as a freelance photographer, he's been living life in the fast lane, capturing breathtaking but risky shots.
