be careful with
Acima de tudo, tenha cuidado com o que você come e bebe.
Above all, be careful about what you eat and drink.
Be careful with him.
Tenha cuidado com o que você come.
Be careful what you eat.
Tenha cuidado com lobo disfarçado de ovelha.
Beware of the wolf in sheep’s clothing.
Be careful with that thing.
Be careful going down.
Tenha cuidado com o que deseja.
Be careful what you wish for.
Tenha cuidado com essas rochas.
Be careful with those rocks.