连升三级 meaning in English

continue to advance three steps [grades]

Fong is appointed to arrange a fantastic trip to introduce hong kong for the princess - consort
另一方面，娟亦被警队高层赏识，一年之内连升三级，成为警队传奇。
The unit of crime investigation department in charge by fong and man is assigned a new task , which is to protect a princess - consort named tasah coming . .
另一方面，娟亦被警队高层赏识，一年之内连升三级，成. .