uitweiden (ww):
appesentir sur quelque chose(en) to write or speak at length; to be copious in argument or discussion, to descant., parler longuement(en) to write or speak at length; to be copious in argument or discussion, to descant., approfondir(en) to give further detail or explanation., élaborer(en) (intransitive) to speak or write at length or in detail.
Via: Dbnary en WikiWoordenboeken
Via: Memodata.com