Your spleen is an organ near your stomach that controls the quality of your blood.
N-UNCOUNT
大發脾氣;大怒
Spleen is great and bitter anger.
例句
Paul Fussell's latest book vents his spleen against everything he hates about his country...保羅·富塞爾在新作中發泄了他對國家的所有不滿。There were other targets for Mr Livingston's spleen.讓利文斯頓先生大怒的還有其他一些人。