One professor even went through my entire procedure, painstakingly -- I'm not really sure where he got all this time -- and he went through and said why each and every step was like the worst mistake I could ever make.
Eén professor ging zelfs minutieus mijn hele procedure na -- ik weet niet zeker waar hij de tijd vond -- en gaf aan waarom iedere stap de grootste fout was die ik ooit kon maken.