0 not showing the standard of behaviour or skill that is expected of a person in a skilled job -- poco profesional
1 (of a person’s conduct) not according to the (usually moral) standards required in his profession -- contrario a la ética profesional
2 (of a piece of work etc) not done with the skill of a trained person -- poco profesional
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Podemos completarlo paso a paso, por muy largo que sea el camino, y no se puede completar, por corto que sea el camino, si ni siquiera marcas tu huella.