It's a safe bet that she will win the competition.
sure bet
Frequency:
50
%
It's a sure bet that he will be late again.
friendly bet
Frequency:
45
%
They made a friendly bet on who could run faster.
long shot bet
Frequency:
35
%
It was a long shot bet, but he decided to take the risk.
Idiomatic Expressions for bet
Phrase: I bet
Meaning: Used to express confidence in a statement or to agree with someone.
Usage: A: I think we will win the game tonight. B: I bet we will!