Shènglì de xǐyuè chōng hūn le tā de tóunǎo, ràng tā zuòchū cuòwù juédìng.
The joy of victory went to his head and caused him to make wrong decisions.
Tips
memory
冲 (to rush; to surge) + 昏 (dizzy; muddled) + 头脑 (head; mind) - something surges and makes your head dizzy. Used for success, excitement, or flattery that causes loss of judgment.