（从很低的职位）擢升，步步高升
to be moved up from a low level position in an organization to a higher one
He rose through the ranks to become a general. 他从普通士兵成长为一名将军。
He joined the company in 2008 and has been rising through the ranks ever since. 他于2008年进入公司，从那以后步步高升。
She quickly rose through the ranks to become one of the organization's most important members.
He described how he had risen from the ranks during his 30-year career to become the first four-star admiral of colour in the forces.
He had risen from the ranks to become CEO of the company.
See also: rank noun (POSITION)