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
Zaid	-	Arabic
Corrina	kə-REEN-ə	English
RadosŁAwa	rah-daw-SWAH-vah	Polish
Laboni	-	Bengali
Lea	LE-ah (German, Finnish)	German, Dutch, Swedish, Norwegian, Danish, Finnish, Slovene, Croatian
Alpin	-	Scottish