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
EusÉBio	-	Portuguese
Ayishah	-	Arabic
Limbikani	lim-bee-KAH-nee	Southern African, Chewa
Theophilus	thee-AHF-ə-ləs (English)	Biblical, Ancient Greek (Latinized)
Sabas	SAH-bahs (Spanish)	Spanish, Late Greek
Thomas	TAHM-əs (English), TOM-əs (English), to-MAH (French), TO-mahs (German, Dutch), tho-MAHS (Greek)	English, French, German, Dutch, Swedish, Norwegian, Danish, Greek, Biblical, Biblical Latin, Biblica