be full of beans
精力充沛，充满活力
口语·形容精力充沛
英文释义
to have a lot of energy or be very lively
例句
The kids are full of beans this morning and can't sit still.
典故来源
源自19世纪，豆子曾是马匹的高能量饲料，吃后马匹精力旺盛，后用于形容人。