for one

副词 for one:

1. as a particular one of several possibilities

1. For one thing they keep the water clean.
   一方面，他们可以保持水的清洁。
2. He was absent from the meeting for one reason or another.
   他为某种理由而没有出席会议。
3. For one reason or another, she committed suicide.
   不知什么原因，她自杀了。
4. He made a resolution to read something profitable for one hour every day.
   他下决心每天要读一小时有益读物。
5. He was exiled from the country for one year.
   他被放逐一年。
6. The thief was put into prison for one year.
   小偷被监禁一年。
7. We will lease you the house for one year.
   我们将把这房子租给你一年。
8. For one week the price will be500 dollar.
   住一星期租金是500美元。