step down

baby step

A small effort made towards the completion of a much larger task.

one small step for man, one giant leap for mankind

(used imitatively) A cliché used to exaggerate an accomplishment or milestone.

one step ahead

maintaining a slight advantage; continuing to lead

one step forward, two steps back

A situation in which progress is more than offset by adverse developments.

pep in one's step

A confident, happy, energetic or enthusiastic mood or manner.

spring in one's step

Enthusiasm, energy or a positive outlook or cheerful attitude.

step back

To stop what one is doing and evaluate the current situation.

step forward

to volunteer for something; to offer one's services