Yes, the hint is misleading and this will get fixed. Good catch, @liufengyun. Correct course of action, @TiagoMoita_PT!
why not "many books"?
"Manche" may look like "many", but that's not what it means.
When hovering over the word though, "many" is one of the translations that pops up...
Yeah. Please select the "dictionary hints are wrong..." option.