through and through

US /θruː ænd θruː/
UK /θruː ænd θruː/
"through and through" picture
1.

de fond en comble, entièrement

completely; in every way

:
He is a New Yorker through and through.
C'est un New-Yorkais pur et dur.
The house was rotten through and through.
La maison était pourrie de fond en comble.