It's in the bag
某事已確定成功或穩操勝券。
用于自信地預測成功或確認結果。
英文釋義
It's a certainty
例句
With his lead in the polls, the election is in the bag for him.
典故來源
源自19世紀狩獵或賭博,獵物放入袋中即表示成功,后泛指確定之事。