lo peligroso que es

how dangerous it is

→ lo
phrase Rare #41,429
how dangerous it is Used to emphasize the degree of danger of something or someone. It often appears in expressions like "no puedes ni imaginarte lo peligroso que es" or "ya veo lo peligroso que es."
SP: No puedes ni imaginarte lo peligroso que es equivocarse aquí.
EN: You can't even imagine how dangerous it is to make a mistake here.

lo peligroso que es Tom.

I know how dangerous Tom is.

Ya veo lo peligroso que es.

I can see how dangerous it is.

Tal vez deberías recordar lo peligroso que es Tom.

Perhaps you should remember how dangerous Tom is.

Sabes lo peligroso que es eso?

Do you know how dangerous that is?

— Estrellas en la Tierra (2007)

No puedes ni imaginarte lo peligroso que es equivocarse aquí.

You can't even imagine how dangerous it is to make a mistake here.

— Stalker (1979)