no one should
Si ya lo hemos acordado, nadie debe saberlo.
If we've already agreed on it, nobody should know.
— Бриллиантовая рука (1969)
Nadie debe entrar en esta casa.
No one should enter this house.
Nadie debe sentirse obligado a hacer algo que no quiere.
No one should feel obligated to do something they don't want to do.
Nadie debe abandonar a sus amigos.
No one should abandon their friends.
Nadie debe sospechar hasta que los hayamos rodeado.
No one should suspect anything until we have them surrounded.
— Ágora: La caída del imperio romano (2009)
Nadie debe saber quién se encarga de cada puerta.
No one must know who is in charge of each door.
— Dil Se.. (1998)