vt.

1. 准备；使……准备好[（+for）][O2]
   They prepared themselves for the worst.

   他们作了最坏的打算。

2. 筹备，筹划[（+for）]
3. 做（饭菜）；制作；调制[O1]
   When we arrived home, mother had already prepared dinner for us.

   当我们到家时，母亲已为我们准备好了晚餐。

4. 起草；编纂

vi.

1. 准备，预备[（+for）][+to-v]
   I was preparing for bed when I heard a knock at the door.

   我正准备睡觉时听到有人敲门。

v.

1. make ready for use or consideration.
   ▸make (food) ready for cooking or eating.
2. make or get ready to do or deal with something.
   ▸ (be prepared to do something) be willing to do something.
3. make (a substance) by chemical reaction.
4. Music  lead up to (a discord) by means of preparation.