(as) dead as a doornail

US /əz dɛd əz ə ˈdɔrˌneɪl/
UK /əz dɛd əz ə ˈdɔrˌneɪl/
"(as) dead as a doornail" picture
1.

completamente muerto, muerto como un clavo

completely dead; no longer alive or functioning

:
The old car was as dead as a doornail after the accident.
El coche viejo estaba completamente muerto después del accidente.
I tried to revive the computer, but it was as dead as a doornail.
Intenté revivir la computadora, pero estaba completamente muerta.