tough as nails

(as) tough as nails

also (as) hard as nails

strong and determined She is a warm and friendly person, but she is also as tough as nails.

Name	Pronounced	Usage
Rajiya	-	Arabic
Adrastos	-	Greek Mythology
Perparim	-	Albanian
Ewart	YOO-ərt	English
Lambert	LAHM-bert (German), LAHM-bərt (Dutch), lam-BER (French), LAM-bərt (English)	German, Dutch, French, English, Ancient Germanic
Hrodger	-	Ancient Germanic