You've been learning so hard these days that the final exam must be in the bag for you.

这些天来你一直那么用功，期末考试对你来说一定十拿九稳。

youdao

The bag has narrow straps, so it may be worn over the shoulder or carried in the hand.

这个书包有细长带子，所有它可以被肩挎，也可以用手拎。

《柯林斯英汉双解大词典》

If you have a rock-hard avocado, put it in a brown paper bag on the counter; it'll be good to go in 2 to 5 days.

如果您有一个像岩石一样硬的鳄梨，把它放在一个棕色纸袋里然后再放在柜子上，2至5天后它会变得可以食用。

youdao

And surely he knows that one additional Republican senator beyond the increase in three that seem to be in the bag will change the majority.

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My Nobel prize would be in the bag.

BBC: The popcorn route to recovery

Mr Dewar may need all his political skills to win a referendum which once was thought to be all but in the bag.

ECONOMIST: Devolution referendums: It ain��t over | The