Focus on the pronunciation of bet
› an act of risking money on something that may happen in the future: make a bet on sth A lot of people made a bet on housing and lost.a bet pays off He borrowed heavily to start the business, and the bet has paid off.
› a guess or opinion: Jenson's bet is that properties will remain scarce and rents will keep rising. → See also spread bet
a fair/good/safe bet › something that is likely to happen or have a good result in the future: The bank says this account is a safe bet and a good alternative to investing in shares.
sb's best bet › the decision or choice that someone can make that is likely to have the best result: Your best bet would be to sell the shares.