be careful
They must be careful.
We all need to be careful.
Eso te pasa por no tener cuidado.
That happens to you because you’re not careful.
Uno debe tener cuidado en un lugar como éste.
One must be careful in a place like this.
Sí, tenemos que tener cuidado cuando se trata de mujeres.
Yes, we have to be careful when it comes to women.
— Malcolm X (1992)