按部就班

To press down with hand; to push; to restrain or shelve; to follow or according to; to check or refer to; to patrol.

A department or ministry of government; a section or division of an organization; a part or portion; troops; a classifier for films or machines.

Function word indicating then or so; immediately; precisely; exactly; only; to approach; to move towards; to undertake; to complete; to go with.

Team; class; grade; work shift; classifier for groups of people and scheduled transport vehicles; surname Ban.