intended to be given to or used by
This gift is for you.
這份禮物是給你的。
to help or to benefit
I'm here to assist you.
我在这里是為了幫助你。
indicating the purpose or goal
I did this for your own good.
我這麼做是為了你好。
because of; as a consequence of
He was rewarded for his bravery.
他因勇敢而受到獎勵。
in order to get or achieve
I'm studying for an exam.
我正在為考試而學習。
indicating a period of time
I've been here for a week.
我在这里已經一個星期了。
indicating a distance
We walked for miles.
我們走了幾英里。
indicating direction or destination
Are you going for the airport?
你是去機場嗎?
indicating a specific time
We're meeting for lunch at noon.
我們中午見面吃午飯。
indicating the occasion
I apologize for my mistake.
我為錯誤道歉。
in exchange for
I bought it for five dollars.
我花五美元買的。
employed by or working for
She works for a tech company.
她在一家科技公團工作。
concerning or about
We are concerned for her well-being.
我們為她的幸福感到擔憂。
representing or on behalf of
I'm acting for the team.
我代表團隊行事。
signifying or meaning
What does this sign mean for us?
這個標誌對我們意味著什麼?
in support or approval of
The majority voted for the proposal.
大多數人投票支持這個提議。
considering or in relation to
It's cold for December.
對十二月來說很冷。
indicating the level of difficulty or suitability
This task is too difficult for a beginner.
這個任務對於初學者來說太難了。
indicating who can or should do something
The decision is for you to make.
這個決定由你來做。
making something better or more pleasant
A new coat of paint would be good for the room.
給房間重新粉刷一下會很好。
giving the reason for something
We were excited, for he had good news.
我們很興奮,因為他有好消息。