unclear
US /ʌnˈklɪr/
UK /ʌnˈklɪr/

1.
poco claro, confuso
not easy to understand or be sure about
:
•
The instructions were unclear, so I didn't know how to assemble it.
Las instrucciones eran poco claras, así que no sabía cómo montarlo.
•
His motives for doing that remain unclear.
Sus motivos para hacer eso siguen siendo poco claros.
2.
turbio, opaco
not transparent or easy to see through
:
•
The water in the pond was unclear after the heavy rain.
El agua del estanque estaba turbia después de la fuerte lluvia.
•
The old window panes were so unclear that it was hard to see outside.
Los viejos cristales de las ventanas estaban tan turbios que era difícil ver hacia afuera.