0 the sound made by a duck (= a water bird) -- qua qua (verso dell’anatra)
1 to make the noise of a duck (= a water bird) -- fare qua qua
3 to make such a sound -- fare qua qua*
4 a person who dishonestly claims to have medical qualifications -- ciarlatano
(also adjective) a quack doctor/psychologist
quack medicine/cures.
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.
Possiamo completarlo passo dopo passo, indipendentemente dalla lunghezza della strada, e non può essere completato, per quanto breve sia la strada, se non segni nemmeno la tua impronta.