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
Floriana	-	Italian, Ancient Roman
Ioram	-	Biblical Latin, Biblical Greek
Kartik	-	Indian, Hindi, Marathi
Morgan (1)	MAWR-gən (English)	Welsh, English, French
Arnold	['a:nəld]
Kleopatros	-	Ancient Greek