be cast in concrete

To be firmly or permanently established; to be unalterable or not subject to change. The healthcare law looks promising, but we'll have to wait until it's cast in concrete before we know exactly what it will do.

Common Names:

Name	Pronounced	Usage
Narcissus	nar-SIS-əs (English)	Greek Mythology (Latinized), Late Roman, Biblical
Gladwyn	GLAD-win	English (Rare)
Rhianu	-	Welsh
DraŽEnka	drah-ZHEN-kah	Croatian
Ami (2)	AY-mee	English
Louisa	[lu:'i:zə]