Como dizer "Descarregar a raiva" em inglês

‘High-level hooligan:’ Chinese media vents spleen over US cybercrime charges

Traditionally reserved Beijing has heaped scorn on the US, calling it a ‘robber playing cop,’ after Washington filed criminal charges against Chinese military officers accused of conducting economic espionage against major US companies. ...
http://rt.com/news/160388-china-us-cybe ... y-hacking/

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Vent one's spleen
Fig. to get rid of one's feelings of anger caused by someone or something by attacking someone or something else

Etymology: from the idea in the past that the spleen (baço) (an organ in the body) was the place where evil intentions began
http://idioms.thefreedictionary.com/vent+spleen
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Now ordinary Chinese have begun to vent their spleen at the taxman. time.com

Immediately, there might be an increase in terrorism because when the Marxists find that they have lost out, I think they'll try to vent their spleen on everything in sight. time.com

Instead, Gundy humiliated himself and his university just to vent his spleen. ocregister.com