unclear
US /ʌnˈklɪr/
UK /ʌnˈklɪr/

1.
poco chiaro, vago
not easy to understand or be sure about
:
•
The instructions were unclear, so I didn't know how to assemble it.
Le istruzioni erano poco chiare, quindi non sapevo come assemblarlo.
•
His motives for doing that remain unclear.
Le sue motivazioni per farlo rimangono poco chiare.
2.
torbido, opaco
not transparent or easy to see through
:
•
The water in the pond was unclear after the heavy rain.
L'acqua nello stagno era torbida dopo la forte pioggia.
•
The old window panes were so unclear that it was hard to see outside.
I vecchi vetri delle finestre erano così opachi che era difficile vedere fuori.