1. to conduct oneself in a cautious and deliberate manner, exercising restraint and attention to consequences
You must behave carefully during the important meeting.
Você deve se comportar com cuidado durante a reunião importante.
2. to act in a manner that avoids risk, offense, or unwanted attention
The children were told to behave carefully around the fragile decorations.
As crianças foram instruídas a se comportarem com cuidado perto das decorações frágeis.