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.

脸红得像个红萝卜, 羞得满脸通红

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.
当她意识到自己的错误时,她脸红得像个红萝卜
He went as red as a beetroot when his secret was revealed.
当他的秘密被揭露时,他脸红得像个红萝卜