won't hold water

to be inadequate, insubstantial, or ill-conceived. Sorry, your ideas won't hold water. Nice try, though. The prosecution's case wouldn't hold water, so the defendant was released.

Common Names:

Name	Pronounced	Usage
Aneirin	-	Welsh
Mayu	mah-yoo	Japanese
Putra	-	Indonesian
Roni (2)	RAH-nee	English
Hortensia	[hɔ:'tensiə]
Gracia	GRAH-thyah (Spanish), GRAH-syah (Latin American Spanish)	Spanish