get carried away
US /ɡɛt ˈkærid əˈweɪ/
UK /ɡɛt ˈkærid əˈweɪ/

1.
夢中になる, 興奮しすぎる
to become overly excited or enthusiastic about something, often to the point of losing control or judgment
:
•
It's easy to get carried away when you're planning a party.
パーティーを計画していると、簡単に夢中になってしまう。
•
Don't get carried away with your spending; remember your budget.
使いすぎで夢中にならないで。予算を覚えておいて。