through and through
US /θruː ænd θruː/
UK /θruː ænd θruː/

1.
de pura cepa, por completo
completely; in every way
:
•
He is a New Yorker through and through.
Es neoyorquino de pura cepa.
•
The house was rotten through and through.
La casa estaba podrida por completo.