go as red as a beetroot

US /ɡoʊ æz rɛd æz ə ˈbiːtruːt/
UK /ɡoʊ æz rɛd æz ə ˈbiːtruːt/
"go as red as a beetroot" picture
1.

diventare rosso come una barbabietola, arrossire

to have your face turn a deep red color, usually due to embarrassment or shame

:
When she realized her mistake, she went as red as a beetroot.
Quando si rese conto del suo errore, divenne rossa come una barbabietola.
He went as red as a beetroot when his secret was revealed.
Divenne rosso come una barbabietola quando il suo segreto fu rivelato.