be as fresh as a daisy
US /bi æz frɛʃ æz ə ˈdeɪzi/
UK /bi æz frɛʃ æz ə ˈdeɪzi/

1.
fresco como una lechuga, lleno de energía
to be full of energy and enthusiasm, typically after a good night's sleep
:
•
After a long nap, she woke up as fresh as a daisy.
Después de una larga siesta, se despertó fresca como una lechuga.
•
Even after working all night, he was still as fresh as a daisy.
Incluso después de trabajar toda la noche, seguía fresco como una lechuga.