be a dead ringer for

US /bi ə dɛd ˈrɪŋər fɔr/
UK /bi ə dɛd ˈrɪŋər fɔr/
"be a dead ringer for" picture
1.

ser un calco de, ser idéntico a

to look exactly like someone else

:
She could be a dead ringer for her grandmother when she was young.
Podría ser un calco de su abuela cuando era joven.
That actor is a dead ringer for my old high school teacher.
Ese actor es un calco de mi antiguo profesor de secundaria.