Dic: ready for sth, ready to do sth (need or want, willing to do)

4. If you are ready for something, you need it or want it.

• ex) I don't know about you, but I'm ready for bed...

3. If you are ready to do something, you are willing to do it.

• ex) They were ready to die for their beliefs... (= willing)

CF.

2. If you are ready for something or ready to do something, you have enough experience to do it or you are old enough and sensible enough to do it.

• ex) She says she's not ready for marriage...
• ex) You'll have no trouble getting him into a normal school when you feel he's ready to go.

5. To be ready to do something means to be about to do it or likely to do it.

• ex) She looked ready to cry...

.... COBUILD