1. A difficulty or issue that is easily seen, understood, or recognized; something that is clearly a problem without needing explanation
The obvious problem with this plan is that it costs too much money.
O problema óbvio com este plano é que custa muito dinheiro.
2. An evident or apparent difficulty that should be immediately apparent to anyone
The obvious problem here is a lack of communication between departments.
O problema óbvio aqui é a falta de comunicação entre departamentos.