Importante e que exige reflexão cuidada.
Important and needing careful thought.
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See how the word “sério” is used in sentences
Este é um problema sério. — This is a serious problem.
Nada aqui é suficientemente sério para adiar o lançamento. — Nothing here is serious enough to delay the launch.
Isto é mais sério do que a queixa da semana passada? — Is this more serious than last week's complaint?
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