whistling in the dark

to be confident about something although you have no good reason to be confident He wasn't very sure of his chances at the time - he was really just whistling in the dark, hoping to get some support.

Common Names:

Name	Pronounced	Usage
Prudencia	proo-DHEN-thya (Spanish), proo-DHEN-sya (Latin American Spanish)	Spanish
Zebulon	-	Biblical
Suellen	soo-EL-ən	English
Sofya	-	Russian
Mordred	-	Welsh Mythology, Arthurian Romance
Lauro	-	Italian