bet - to risk money on a race or an event by trying to predict the result - พนัน

bet - used to say that you are almost certain that something is true or that something will happen - กล้าคาดคะเน

bet (noun) - an arrangement to risk money, etc. on the result of a particular event; the money that you risk in this way - เงินพนัน, การพนัน, วางเดิมพัน