English-Spanish translations for pernicious

perniciosoSe trata de un comercio particularmente pernicioso y terrible. This is a particularly pernicious and dreadful trade. ¿Cómo podemos evitar este efecto pernicioso? How can we avoid this pernicious effect? Como ya he dicho, se trata de un pernicioso comercio llevado a cabo por gente despiadada. As I said, this is a pernicious trade carried out by ruthless people.
dañino

perjudicialEs evidente que hubiera sido muy perjudicial, pero no ocurrió, y espero que las cosas sigan así. It is obvious that this would have been very pernicious, but that did not happen, and I hope that things are going to stay that way. Sin embargo, la falta de transparencia y regulación de los mercados de derivados ha repercutido de un modo extremadamente perjudicial en la crisis financiera. However, the lack of transparency and regulation in the derivatives markets had an extremely pernicious effect on the financial crisis.

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