sure bet

1. Something that is certain to occur. Based on his grades, it's a pretty sure bet that Harry won't be able to graduate on time.

2. A person or thing that is certain to be good or successful. Considering her high scoring average, she's a sure bet for the bowling team.

and sure thing

a certainty; something that is sure to take place. Of course, this land will become valuable in a few years. It's a sure thing!

Name	Pronounced	Usage
Uaithne	-	Irish
PhƯƠNg	-	Vietnamese
Vellamo	-	Finnish Mythology
TamÁS	TAW-mahsh	Hungarian
Alphaios	-	Biblical Greek
Ariane	a-ree-AHN (French), ah-ree-AH-nə (Dutch)	French, German, Dutch