through and through

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

彻头彻尾地, 完全地

completely; in every way

:
He is a New Yorker through and through.
他是一个彻头彻尾的纽约人。
The house was rotten through and through.
这房子彻底地腐烂了。