through and through

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

徹頭徹尾地, 完全地

completely; in every way

:
He is a New Yorker through and through.
他是一個徹頭徹尾的紐約人。
The house was rotten through and through.
這房子徹底地腐爛了。