to know (something)
(ux)
''Difficile à savoir'' (expression; compare ''Difficile à dire, voir, faire'')
to know how (to do something)
to able to, to be apt to (especially in the negative or interrogative conditional; used in the positive in Belgium)
{{quote-text|fr|year=2021|author=Zaz|title=Tout là-haut
(quote)
to out
knowledge
(syn)
to know
(quote-book)
to be skilled in
wisdom