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
Pwyll	-	Welsh Mythology
Adelina	ah-de-LEE-nah (Italian), ah-dhe-LEE-nah (Spanish)	Italian, Portuguese, Spanish, Romanian, German, Bulgarian, Ancient Germanic (Latinized)
Alita	-	English (Rare)
Xue	-	Chinese
Ottone	-	Italian
Zsanett	-	Hungarian