tienes que tener cuidado

you have to be careful

→ tener
phrase Rare #26,667
you have to be careful Used to warn someone to be cautious. The form given is informal singular; the formal version would be "tiene que tener cuidado".
SP: Tienes que tener cuidado al cruzar la calle.
EN: You have to be careful when crossing the street.

Tienes que tener cuidado de no romperlo.

You have to be careful not to break it.

Tienes que tener cuidado con eso.

You have to be careful with that.

— Kajaki (2014)

Tienes que tener cuidado, Svetlana.

You have to be careful, Svetlana.

— Guardianes del día (2006)

Tienes que tener cuidado con lo que dices.

You have to be careful what you say.

Tienes que tener cuidado o si no lo perderás otra vez.

You have to be careful, or you’ll lose it again.

Felipe, usted sabe mejor que yo que tienes que tener cuidado.

Felipe, you know better than I do that you have to be careful.

— Intocable (2011)

Tienes que tener cuidado con lo que dices a gente que se ofende fácilmente.

You have to be careful what you say to people who are easily offended.

Tienes que tener cuidado.

You have to be careful.

— Avatar: Fuego y ceniza (2025)