bet (verb): to risk money on the result of an event or a competition, such as a horse race, in the hope of winning more money:
"She bet $10 that her favourite horse would win the race, but it came third."
bet (noun): an amount of money which you risk on the result of an event or a competition, such as a horse race or sportimg event:
"He placed a bet on that the white horse would win the race."
You may have heard the bet used in relation to gambling; however, it's also a commonly used word in casual English here's how to use it:
We use this expression, informally, when you think that something will happen or when you think something is true. It shows you are certain about something:
"I bet you that Simon will be late."
This expression means 'certainly' and is used to add emphasis to a statement:
"Are you going to Jake's party?"
"You bet!"
We use this phrases when we are sure that something will happen:
"It's a safe bet that Sarah will be the first person to arrive at the meeting."
This phrase is used to show the best decision or choice:
"Your best bet would be to take the train. The bus will take too long."
This expression is used to show that you understand why someone has a particular opinion or feels a particular way:
"I'm really angry about what James did!"
"I bet."
