bright and early
US /braɪt ænd ˈɜrli/
UK /braɪt ænd ˈɜrli/

1.
一大早, 清晨
very early in the morning
:
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We have to leave bright and early tomorrow for our road trip.
我們明天必須一大早出發去公路旅行。
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The kids were up bright and early on Christmas morning.
聖誕節早上,孩子們一大早就起床了。