spleen

n. 脾,脾气,怒气

When I get frustrated and angry, I have to vent my spleen on someone.

我受尽挫折，怒火冲天时，禁不住想找谁发一顿脾气。

Some men give their blood to their country; others their spleen.

既有人为国捐躯，亦有人捐坏脾气（怀恨）。