no way to tell

(There's) no way to tell.

No one can find out the answer. Tom: How long are we likely to have to wait before the plane takes off? Clerk: Sorry, sir. There's no way to tell.

Name	Pronounced	Usage
Raj	-	Indian, Hindi, Marathi, Bengali, Punjabi, Gujarati, Tamil, Telugu, Kannada, Malayalam, Nepali
Ingemar	ING-e-mahr	Swedish
Adena	-	Hebrew
Karina	kah-REE-nah (Swedish, Polish, German, Russian), kə-REE-nə (English)	Swedish, Danish, Norwegian, Polish, German, Russian, English
Jarmo	YAHR-mo	Finnish
Hildigardis	-	Ancient Germanic