in a risky or dangerous situation
en una situación arriesgada o peligrosa (en una situacion arriesgada o peligrosa)
"You are on thin ice with that behavior."
"Estás sobre hielo delgado con ese comportamiento." (estas **on thin ice** con ese comportamiento)
to punish or criticize someone severely
to be very proud of someone or something
to increase something sharply on a specific item
Something intended to secretly undermine or bring harm from...
As I understand; based on what I know
to cause a problem that stops progress