go to someone's head
US /ɡoʊ tə ˈsʌm.wʌnz hɛd/
UK /ɡoʊ tə ˈsʌm.wʌnz hɛd/

1.
沖昏頭腦, 得意忘形
if success or praise goes to someone's head, it makes them feel more important than they really are
:
•
Don't let that small victory go to your head.
別讓那點小勝利沖昏了你的頭腦。
•
After winning the award, his ego really started to go to his head.
贏得獎項後,他的自負真的開始沖昏了頭腦。