be full of beans
精力充沛，充滿活力
口語·形容精力充沛
英文釋義
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.
典故來源
源自19世紀，豆子曾是馬匹的高能量飼料，吃后馬匹精力旺盛，后用于形容人。