高手翻译几个汉译英句子！不要中式英语！谢了！

Forecast for continued hot weather in the South will be. （关键：“持续高温”） (Key: "The temperature")
我想我现在过的是一种不健康的生活方式。 I think I'm making an unhealthy lifestyle.
我再高兴不过了。 Me happy enough.
学校规定借阅证不能借给他人使用，否则会扣押一个星期。 The school provides evidence can not borrow to lend to others, otherwise detained for a week.
你没有收到我的信？ You did not receive my letter? 难怪你没有给我回信。 No wonder you have not answered my letter. （关键：“难怪”这个句式怎么翻译？） (Key: "No wonder" how translation of this sentence?)
我已经颓废了10来天了。 I have 10 years decadent days.
在我手机停机的这些天里，我过得挺好的。 Down in my phone these days and I had quite good. （关键：“手机停机”怎么翻译？） (Key: "Mobile parking" how to translate?)

1,The forecast says there will be a continuous hot weather in the south.
2,I think I'm living an unhealthy life.
3,I can't be more happy.
4,According to the school regulation, the library card can't be lent to others,or it will be detained for one week.
5,you failed to receive my letter? it's no wonder that I got no responses.
6,I have been decadent for ten days
7,during these days after my cell phone quit,I've been doing very well.

The weather forecast says there will continue the hot weather. (the key: "continuous high-temperature"
I think I have now is not a healthy lifestyle.
I couldn't be happier.
Your application card can't lend it to others school use, otherwise you'll be seized a week.
Did you receive my letter? No wonder you don't write back to me. Key: "no wonder" (this sentence.
I have ten days the decadent.
In my mobile phone downtime for these days, I have a good. Key: "stop (phone)?"

According to the weather report, there will be continuous heat in south.(continuous heat)

I think I'm having an unhealthy life style now.

I can't be more happy.

The school stipulates that the library card cannot be borrowed to
others, or it will be detained for a week.

You didn't receive my letter? No wonder you didn't reply me.(no wonder)

I've been decadent for about 10 days.

I've been good in those days my phone was down.(phone be down)

according to the weatherforecast,it will be extremely hot in south part.
i think i'm living an unhealthy life.
nothing could make me more happy.
school administration requires that 借阅证 can not be transfered to others,otherwise it will be seized for a week.
did you receive my letter,no wonder you haven't writen back.
i have been depressed for over ten days.
这句我实在不会