(one's) bark is worse than (one's) bite

One's actions will not be nearly as severe as his or her words imply. Don't worry about John's threats. His bark is worse than his bite.

Name	Pronounced	Usage
Jessye	JES-ee	English
Lale	-	Turkish
Nuha	-	Arabic
Nefertari	nef-ər-TAHR-ee (English)	Ancient Egyptian
Olayinka	-	Western African, Yoruba
Barr	[ba:]