vt.

1. 以（錢，物等）打賭；與（某人）打賭[（+on）][O5][O1]
   I'll bet ten dollars on the chestnut horse.

   我要在這匹栗色馬上下十元賭注。

2. 敢斷定，確信[+（that）]
   I bet you'll win.

   我肯定你會贏。

vi.

1. 打賭[（+on/against）]
   I bet against the feasibility of the plan.

   我打賭斷定這個計畫行不通。

n.[C]

1. 打賭[（+on）]
   Let's have a bet on the result of the election.

   讓我們就選舉結果打個賭吧！

2. 賭金，賭注
3. 被打賭的事物
   The white horse is a poor bet.

   那匹白馬輸的可能性大。

4. 意見，猜測[+（that）]
   My bet is that she won't refuse his invitation.

   我認為她不會拒絕他的邀請。

5. 對策，辦法

v.

1. risk a sum of money or other valued item against someone else's on the basis of the outcome of an unpredictable event such as a race or game.
2. informal used to express certainty:
   he'll be surprised to see me, I'll bet.

n.

▸informal a candidate or option offering a specified likelihood of success:

Allen looked a good bet for victory.