介词for的用法
1
used to say who is intended to get or use something, or where something is intended to be used
I've got a present for you.
Someone left a message for Vicky.
2
in order to help someone or something
I looked after the kids for them.
Let me carry that bag for you.
3
used to say what the purpose of an object, action etc is
for doing something
a knife for cutting bread
What did you do that for?
